Finding the Third Proportional to 58,490.44 and 88,966.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,490.44 : 88,966.69 = 88,966.69 : x
2. Step 2: Convert to fraction form
   58,490.44/88,966.69 = 88,966.69/x
3. Step 3: Cross multiply
   58,490.44x = 88,966.69 × 88,966.69
4. Step 4: Simplify right side
   58,490.44x = 7,915,071,484.72
5. Step 5: Solve for x
   x = 7,915,071,484.72/58,490.44
6. Step 6: Final answer
   x = 135,322.49