Finding the Third Proportional to 58,324 and 129,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,324 : 129,087.50 = 129,087.50 : x
2. Step 2: Convert to fraction form
   58,324/129,087.50 = 129,087.50/x
3. Step 3: Cross multiply
   58,324x = 129,087.50 × 129,087.50
4. Step 4: Simplify right side
   58,324x = 16,663,582,656.25
5. Step 5: Solve for x
   x = 16,663,582,656.25/58,324
6. Step 6: Final answer
   x = 285,707.13