Finding the Third Proportional to 30,712.50 and 55,107

Step by Step Solution

1. Step 1: Write the proportion equation
   30,712.50 : 55,107 = 55,107 : x
2. Step 2: Convert to fraction form
   30,712.50/55,107 = 55,107/x
3. Step 3: Cross multiply
   30,712.50x = 55,107 × 55,107
4. Step 4: Simplify right side
   30,712.50x = 3,036,781,449
5. Step 5: Solve for x
   x = 3,036,781,449/30,712.50
6. Step 6: Final answer
   x = 98,877.70