Finding the Third Proportional to 60,820.88 and 91,140.19

Step by Step Solution

1. Step 1: Write the proportion equation
   60,820.88 : 91,140.19 = 91,140.19 : x
2. Step 2: Convert to fraction form
   60,820.88/91,140.19 = 91,140.19/x
3. Step 3: Cross multiply
   60,820.88x = 91,140.19 × 91,140.19
4. Step 4: Simplify right side
   60,820.88x = 8,306,533,777.54
5. Step 5: Solve for x
   x = 8,306,533,777.54/60,820.88
6. Step 6: Final answer
   x = 136,573.73