Finding the Third Proportional to 609,085,491 and 902,567,179.50

Step by Step Solution

1. Step 1: Write the proportion equation
   609,085,491 : 902,567,179.50 = 902,567,179.50 : x
2. Step 2: Convert to fraction form
   609,085,491/902,567,179.50 = 902,567,179.50/x
3. Step 3: Cross multiply
   609,085,491x = 902,567,179.50 × 902,567,179.50
4. Step 4: Simplify right side
   609,085,491x = 814,627,513,510,585,216
5. Step 5: Solve for x
   x = 814,627,513,510,585,216/609,085,491
6. Step 6: Final answer
   x = 1,337,460,053.72