Finding the Third Proportional to 72,507 and 112,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,507 : 112,048.50 = 112,048.50 : x
2. Step 2: Convert to fraction form
   72,507/112,048.50 = 112,048.50/x
3. Step 3: Cross multiply
   72,507x = 112,048.50 × 112,048.50
4. Step 4: Simplify right side
   72,507x = 12,554,866,352.25
5. Step 5: Solve for x
   x = 12,554,866,352.25/72,507
6. Step 6: Final answer
   x = 173,153.85