Finding the Third Proportional to 34,978.50 and 54,874.13

Step by Step Solution

1. Step 1: Write the proportion equation
   34,978.50 : 54,874.13 = 54,874.13 : x
2. Step 2: Convert to fraction form
   34,978.50/54,874.13 = 54,874.13/x
3. Step 3: Cross multiply
   34,978.50x = 54,874.13 × 54,874.13
4. Step 4: Simplify right side
   34,978.50x = 3,011,169,594.52
5. Step 5: Solve for x
   x = 3,011,169,594.52/34,978.50
6. Step 6: Final answer
   x = 86,086.30