Finding the Third Proportional to 52,910 and 71,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,910 : 71,857.50 = 71,857.50 : x
2. Step 2: Convert to fraction form
   52,910/71,857.50 = 71,857.50/x
3. Step 3: Cross multiply
   52,910x = 71,857.50 × 71,857.50
4. Step 4: Simplify right side
   52,910x = 5,163,500,306.25
5. Step 5: Solve for x
   x = 5,163,500,306.25/52,910
6. Step 6: Final answer
   x = 97,590.25