Finding the Third Proportional to 39,884,208.75 and 86,756,499

Step by Step Solution

1. Step 1: Write the proportion equation
   39,884,208.75 : 86,756,499 = 86,756,499 : x
2. Step 2: Convert to fraction form
   39,884,208.75/86,756,499 = 86,756,499/x
3. Step 3: Cross multiply
   39,884,208.75x = 86,756,499 × 86,756,499
4. Step 4: Simplify right side
   39,884,208.75x = 7,526,690,118,737,001
5. Step 5: Solve for x
   x = 7,526,690,118,737,001/39,884,208.75
6. Step 6: Final answer
   x = 188,713,537.38