Finding the Third Proportional to 601,056,688.50 and 906,315,066

Step by Step Solution

1. Step 1: Write the proportion equation
   601,056,688.50 : 906,315,066 = 906,315,066 : x
2. Step 2: Convert to fraction form
   601,056,688.50/906,315,066 = 906,315,066/x
3. Step 3: Cross multiply
   601,056,688.50x = 906,315,066 × 906,315,066
4. Step 4: Simplify right side
   601,056,688.50x = 821,406,998,858,584,320
5. Step 5: Solve for x
   x = 821,406,998,858,584,320/601,056,688.50
6. Step 6: Final answer
   x = 1,366,604,872.01