Finding the Third Proportional to 57,084 and 90,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,084 : 90,910.50 = 90,910.50 : x
2. Step 2: Convert to fraction form
   57,084/90,910.50 = 90,910.50/x
3. Step 3: Cross multiply
   57,084x = 90,910.50 × 90,910.50
4. Step 4: Simplify right side
   57,084x = 8,264,719,010.25
5. Step 5: Solve for x
   x = 8,264,719,010.25/57,084
6. Step 6: Final answer
   x = 144,781.71