Finding the Third Proportional to 612,069,015 and 1,328,055,496.50

Step by Step Solution

1. Step 1: Write the proportion equation
   612,069,015 : 1,328,055,496.50 = 1,328,055,496.50 : x
2. Step 2: Convert to fraction form
   612,069,015/1,328,055,496.50 = 1,328,055,496.50/x
3. Step 3: Cross multiply
   612,069,015x = 1,328,055,496.50 × 1,328,055,496.50
4. Step 4: Simplify right side
   612,069,015x = 1,763,731,401,783,861,504
5. Step 5: Solve for x
   x = 1,763,731,401,783,861,504/612,069,015
6. Step 6: Final answer
   x = 2,881,589,099.53