Finding the Third Proportional to 13,192 and 31,140

Step by Step Solution

1. Step 1: Write the proportion equation
   13,192 : 31,140 = 31,140 : x
2. Step 2: Convert to fraction form
   13,192/31,140 = 31,140/x
3. Step 3: Cross multiply
   13,192x = 31,140 × 31,140
4. Step 4: Simplify right side
   13,192x = 969,699,600
5. Step 5: Solve for x
   x = 969,699,600/13,192
6. Step 6: Final answer
   x = 73,506.64