Finding the Third Proportional to 72,560 and 112,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,560 : 112,118.50 = 112,118.50 : x
2. Step 2: Convert to fraction form
   72,560/112,118.50 = 112,118.50/x
3. Step 3: Cross multiply
   72,560x = 112,118.50 × 112,118.50
4. Step 4: Simplify right side
   72,560x = 12,570,558,042.25
5. Step 5: Solve for x
   x = 12,570,558,042.25/72,560
6. Step 6: Final answer
   x = 173,243.63