Finding the Third Proportional to 31,552 and 68,696

Step by Step Solution

1. Step 1: Write the proportion equation
   31,552 : 68,696 = 68,696 : x
2. Step 2: Convert to fraction form
   31,552/68,696 = 68,696/x
3. Step 3: Cross multiply
   31,552x = 68,696 × 68,696
4. Step 4: Simplify right side
   31,552x = 4,719,140,416
5. Step 5: Solve for x
   x = 4,719,140,416/31,552
6. Step 6: Final answer
   x = 149,567.08