Finding the Third Proportional to 57,107 and 90,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,107 : 90,940.50 = 90,940.50 : x
2. Step 2: Convert to fraction form
   57,107/90,940.50 = 90,940.50/x
3. Step 3: Cross multiply
   57,107x = 90,940.50 × 90,940.50
4. Step 4: Simplify right side
   57,107x = 8,270,174,540.25
5. Step 5: Solve for x
   x = 8,270,174,540.25/57,107
6. Step 6: Final answer
   x = 144,818.93