Finding the Third Proportional to 58,654.13 and 90,790.88

Step by Step Solution

1. Step 1: Write the proportion equation
   58,654.13 : 90,790.88 = 90,790.88 : x
2. Step 2: Convert to fraction form
   58,654.13/90,790.88 = 90,790.88/x
3. Step 3: Cross multiply
   58,654.13x = 90,790.88 × 90,790.88
4. Step 4: Simplify right side
   58,654.13x = 8,242,982,983.27
5. Step 5: Solve for x
   x = 8,242,982,983.27/58,654.13
6. Step 6: Final answer
   x = 140,535.44