Finding the Third Proportional to 84,505,742 and 185,151,538

Step by Step Solution

1. Step 1: Write the proportion equation
   84,505,742 : 185,151,538 = 185,151,538 : x
2. Step 2: Convert to fraction form
   84,505,742/185,151,538 = 185,151,538/x
3. Step 3: Cross multiply
   84,505,742x = 185,151,538 × 185,151,538
4. Step 4: Simplify right side
   84,505,742x = 34,281,092,023,765,444
5. Step 5: Solve for x
   x = 34,281,092,023,765,444/84,505,742
6. Step 6: Final answer
   x = 405,665,830.66