Finding the Third Proportional to 286,301,490,868.50 and 622,868,977,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   286,301,490,868.50 : 622,868,977,981.50 = 622,868,977,981.50 : x
2. Step 2: Convert to fraction form
   286,301,490,868.50/622,868,977,981.50 = 622,868,977,981.50/x
3. Step 3: Cross multiply
   286,301,490,868.50x = 622,868,977,981.50 × 622,868,977,981.50
4. Step 4: Simplify right side
   286,301,490,868.50x = 387,965,763,731,718,353,715,200
5. Step 5: Solve for x
   x = 387,965,763,731,718,353,715,200/286,301,490,868.50
6. Step 6: Final answer
   x = 1,355,095,157,048.67