Finding the Third Proportional to 31,300 and 67,052

Step by Step Solution

1. Step 1: Write the proportion equation
   31,300 : 67,052 = 67,052 : x
2. Step 2: Convert to fraction form
   31,300/67,052 = 67,052/x
3. Step 3: Cross multiply
   31,300x = 67,052 × 67,052
4. Step 4: Simplify right side
   31,300x = 4,495,970,704
5. Step 5: Solve for x
   x = 4,495,970,704/31,300
6. Step 6: Final answer
   x = 143,641.24