Finding the Third Proportional to 60,999.75 and 91,141.03

Step by Step Solution

1. Step 1: Write the proportion equation
   60,999.75 : 91,141.03 = 91,141.03 : x
2. Step 2: Convert to fraction form
   60,999.75/91,141.03 = 91,141.03/x
3. Step 3: Cross multiply
   60,999.75x = 91,141.03 × 91,141.03
4. Step 4: Simplify right side
   60,999.75x = 8,306,687,577.31
5. Step 5: Solve for x
   x = 8,306,687,577.31/60,999.75
6. Step 6: Final answer
   x = 136,175.76