Finding the Third Proportional to 72,751.50 and 109,397.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,751.50 : 109,397.25 = 109,397.25 : x
2. Step 2: Convert to fraction form
   72,751.50/109,397.25 = 109,397.25/x
3. Step 3: Cross multiply
   72,751.50x = 109,397.25 × 109,397.25
4. Step 4: Simplify right side
   72,751.50x = 11,967,758,307.56
5. Step 5: Solve for x
   x = 11,967,758,307.56/72,751.50
6. Step 6: Final answer
   x = 164,501.88