Finding the Third Proportional to 60,805.69 and 90,965.53

Step by Step Solution

1. Step 1: Write the proportion equation
   60,805.69 : 90,965.53 = 90,965.53 : x
2. Step 2: Convert to fraction form
   60,805.69/90,965.53 = 90,965.53/x
3. Step 3: Cross multiply
   60,805.69x = 90,965.53 × 90,965.53
4. Step 4: Simplify right side
   60,805.69x = 8,274,727,875.59
5. Step 5: Solve for x
   x = 8,274,727,875.59/60,805.69
6. Step 6: Final answer
   x = 136,084.77