Finding the Third Proportional to 31,443 and 68,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,443 : 68,092.50 = 68,092.50 : x
2. Step 2: Convert to fraction form
   31,443/68,092.50 = 68,092.50/x
3. Step 3: Cross multiply
   31,443x = 68,092.50 × 68,092.50
4. Step 4: Simplify right side
   31,443x = 4,636,588,556.25
5. Step 5: Solve for x
   x = 4,636,588,556.25/31,443
6. Step 6: Final answer
   x = 147,460.12