Finding the Third Proportional to 58,620.75 and 90,826.88

Step by Step Solution

1. Step 1: Write the proportion equation
   58,620.75 : 90,826.88 = 90,826.88 : x
2. Step 2: Convert to fraction form
   58,620.75/90,826.88 = 90,826.88/x
3. Step 3: Cross multiply
   58,620.75x = 90,826.88 × 90,826.88
4. Step 4: Simplify right side
   58,620.75x = 8,249,521,222.27
5. Step 5: Solve for x
   x = 8,249,521,222.27/58,620.75
6. Step 6: Final answer
   x = 140,726.98