Finding the Third Proportional to 58,614.75 and 90,817.88

Step by Step Solution

1. Step 1: Write the proportion equation
   58,614.75 : 90,817.88 = 90,817.88 : x
2. Step 2: Convert to fraction form
   58,614.75/90,817.88 = 90,817.88/x
3. Step 3: Cross multiply
   58,614.75x = 90,817.88 × 90,817.88
4. Step 4: Simplify right side
   58,614.75x = 8,247,886,419.52
5. Step 5: Solve for x
   x = 8,247,886,419.52/58,614.75
6. Step 6: Final answer
   x = 140,713.50