Finding the Third Proportional to 72,307.50 and 155,714.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,307.50 : 155,714.63 = 155,714.63 : x
2. Step 2: Convert to fraction form
   72,307.50/155,714.63 = 155,714.63/x
3. Step 3: Cross multiply
   72,307.50x = 155,714.63 × 155,714.63
4. Step 4: Simplify right side
   72,307.50x = 24,247,044,438.89
5. Step 5: Solve for x
   x = 24,247,044,438.89/72,307.50
6. Step 6: Final answer
   x = 335,332.36