Finding the Third Proportional to 76,662 and 105,565.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,662 : 105,565.50 = 105,565.50 : x
2. Step 2: Convert to fraction form
   76,662/105,565.50 = 105,565.50/x
3. Step 3: Cross multiply
   76,662x = 105,565.50 × 105,565.50
4. Step 4: Simplify right side
   76,662x = 11,144,074,790.25
5. Step 5: Solve for x
   x = 11,144,074,790.25/76,662
6. Step 6: Final answer
   x = 145,366.35