Finding the Third Proportional to 115,046,443 and 155,485,790.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,046,443 : 155,485,790.50 = 155,485,790.50 : x
2. Step 2: Convert to fraction form
   115,046,443/155,485,790.50 = 155,485,790.50/x
3. Step 3: Cross multiply
   115,046,443x = 155,485,790.50 × 155,485,790.50
4. Step 4: Simplify right side
   115,046,443x = 24,175,831,047,409,892
5. Step 5: Solve for x
   x = 24,175,831,047,409,892/115,046,443
6. Step 6: Final answer
   x = 210,139,752.41