Finding the Third Proportional to 58,425.75 and 87,539.63

Step by Step Solution

1. Step 1: Write the proportion equation
   58,425.75 : 87,539.63 = 87,539.63 : x
2. Step 2: Convert to fraction form
   58,425.75/87,539.63 = 87,539.63/x
3. Step 3: Cross multiply
   58,425.75x = 87,539.63 × 87,539.63
4. Step 4: Simplify right side
   58,425.75x = 7,663,185,945.14
5. Step 5: Solve for x
   x = 7,663,185,945.14/58,425.75
6. Step 6: Final answer
   x = 131,161.11