Finding the Third Proportional to 58,279.50 and 87,060

Step by Step Solution

1. Step 1: Write the proportion equation
   58,279.50 : 87,060 = 87,060 : x
2. Step 2: Convert to fraction form
   58,279.50/87,060 = 87,060/x
3. Step 3: Cross multiply
   58,279.50x = 87,060 × 87,060
4. Step 4: Simplify right side
   58,279.50x = 7,579,443,600
5. Step 5: Solve for x
   x = 7,579,443,600/58,279.50
6. Step 6: Final answer
   x = 130,053.34