Finding the Third Proportional to 39,910,899 and 86,051,468

Step by Step Solution

1. Step 1: Write the proportion equation
   39,910,899 : 86,051,468 = 86,051,468 : x
2. Step 2: Convert to fraction form
   39,910,899/86,051,468 = 86,051,468/x
3. Step 3: Cross multiply
   39,910,899x = 86,051,468 × 86,051,468
4. Step 4: Simplify right side
   39,910,899x = 7,404,855,144,955,024
5. Step 5: Solve for x
   x = 7,404,855,144,955,024/39,910,899
6. Step 6: Final answer
   x = 185,534,661.72