Finding the Third Proportional to 58,140.56 and 87,666.56

Step by Step Solution

1. Step 1: Write the proportion equation
   58,140.56 : 87,666.56 = 87,666.56 : x
2. Step 2: Convert to fraction form
   58,140.56/87,666.56 = 87,666.56/x
3. Step 3: Cross multiply
   58,140.56x = 87,666.56 × 87,666.56
4. Step 4: Simplify right side
   58,140.56x = 7,685,426,180.57
5. Step 5: Solve for x
   x = 7,685,426,180.57/58,140.56
6. Step 6: Final answer
   x = 132,186.99