Finding the Third Proportional to 72,509 and 112,052

Step by Step Solution

1. Step 1: Write the proportion equation
   72,509 : 112,052 = 112,052 : x
2. Step 2: Convert to fraction form
   72,509/112,052 = 112,052/x
3. Step 3: Cross multiply
   72,509x = 112,052 × 112,052
4. Step 4: Simplify right side
   72,509x = 12,555,650,704
5. Step 5: Solve for x
   x = 12,555,650,704/72,509
6. Step 6: Final answer
   x = 173,159.89