Finding the Third Proportional to 58,477.75 and 90,510.88

Step by Step Solution

1. Step 1: Write the proportion equation
   58,477.75 : 90,510.88 = 90,510.88 : x
2. Step 2: Convert to fraction form
   58,477.75/90,510.88 = 90,510.88/x
3. Step 3: Cross multiply
   58,477.75x = 90,510.88 × 90,510.88
4. Step 4: Simplify right side
   58,477.75x = 8,192,218,493.27
5. Step 5: Solve for x
   x = 8,192,218,493.27/58,477.75
6. Step 6: Final answer
   x = 140,091.21