Finding the Third Proportional to 58,501.69 and 86,892.19

Step by Step Solution

1. Step 1: Write the proportion equation
   58,501.69 : 86,892.19 = 86,892.19 : x
2. Step 2: Convert to fraction form
   58,501.69/86,892.19 = 86,892.19/x
3. Step 3: Cross multiply
   58,501.69x = 86,892.19 × 86,892.19
4. Step 4: Simplify right side
   58,501.69x = 7,550,252,248.54
5. Step 5: Solve for x
   x = 7,550,252,248.54/58,501.69
6. Step 6: Final answer
   x = 129,060.42