Finding the Third Proportional to 72,967.50 and 112,686.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,967.50 : 112,686.75 = 112,686.75 : x
2. Step 2: Convert to fraction form
   72,967.50/112,686.75 = 112,686.75/x
3. Step 3: Cross multiply
   72,967.50x = 112,686.75 × 112,686.75
4. Step 4: Simplify right side
   72,967.50x = 12,698,303,625.56
5. Step 5: Solve for x
   x = 12,698,303,625.56/72,967.50
6. Step 6: Final answer
   x = 174,026.84