Finding the Third Proportional to 84,505,743 and 185,151,540

Step by Step Solution

1. Step 1: Write the proportion equation
   84,505,743 : 185,151,540 = 185,151,540 : x
2. Step 2: Convert to fraction form
   84,505,743/185,151,540 = 185,151,540/x
3. Step 3: Cross multiply
   84,505,743x = 185,151,540 × 185,151,540
4. Step 4: Simplify right side
   84,505,743x = 34,281,092,764,371,600
5. Step 5: Solve for x
   x = 34,281,092,764,371,600/84,505,743
6. Step 6: Final answer
   x = 405,665,834.62