Finding the Third Proportional to 30,763.55 and 72,432.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,763.55 : 72,432.98 = 72,432.98 : x
2. Step 2: Convert to fraction form
   30,763.55/72,432.98 = 72,432.98/x
3. Step 3: Cross multiply
   30,763.55x = 72,432.98 × 72,432.98
4. Step 4: Simplify right side
   30,763.55x = 5,246,537,225.47
5. Step 5: Solve for x
   x = 5,246,537,225.47/30,763.55
6. Step 6: Final answer
   x = 170,543.96