Finding the Third Proportional to 65,707.88 and 99,860.34

Step by Step Solution

1. Step 1: Write the proportion equation
   65,707.88 : 99,860.34 = 99,860.34 : x
2. Step 2: Convert to fraction form
   65,707.88/99,860.34 = 99,860.34/x
3. Step 3: Cross multiply
   65,707.88x = 99,860.34 × 99,860.34
4. Step 4: Simplify right side
   65,707.88x = 9,972,088,253.87
5. Step 5: Solve for x
   x = 9,972,088,253.87/65,707.88
6. Step 6: Final answer
   x = 151,763.97