Finding the Third Proportional to 72,555.50 and 112,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,555.50 : 112,112.50 = 112,112.50 : x
2. Step 2: Convert to fraction form
   72,555.50/112,112.50 = 112,112.50/x
3. Step 3: Cross multiply
   72,555.50x = 112,112.50 × 112,112.50
4. Step 4: Simplify right side
   72,555.50x = 12,569,212,656.25
5. Step 5: Solve for x
   x = 12,569,212,656.25/72,555.50
6. Step 6: Final answer
   x = 173,235.84