Finding the Third Proportional to 59,140.13 and 91,352.81

Step by Step Solution

1. Step 1: Write the proportion equation
   59,140.13 : 91,352.81 = 91,352.81 : x
2. Step 2: Convert to fraction form
   59,140.13/91,352.81 = 91,352.81/x
3. Step 3: Cross multiply
   59,140.13x = 91,352.81 × 91,352.81
4. Step 4: Simplify right side
   59,140.13x = 8,345,336,351.66
5. Step 5: Solve for x
   x = 8,345,336,351.66/59,140.13
6. Step 6: Final answer
   x = 141,111.24