Finding the Third Proportional to 72,570.75 and 112,133.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,570.75 : 112,133.25 = 112,133.25 : x
2. Step 2: Convert to fraction form
   72,570.75/112,133.25 = 112,133.25/x
3. Step 3: Cross multiply
   72,570.75x = 112,133.25 × 112,133.25
4. Step 4: Simplify right side
   72,570.75x = 12,573,865,755.56
5. Step 5: Solve for x
   x = 12,573,865,755.56/72,570.75
6. Step 6: Final answer
   x = 173,263.55