Finding the Third Proportional to 30,442.50 and 72,802.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,442.50 : 72,802.13 = 72,802.13 : x
2. Step 2: Convert to fraction form
   30,442.50/72,802.13 = 72,802.13/x
3. Step 3: Cross multiply
   30,442.50x = 72,802.13 × 72,802.13
4. Step 4: Simplify right side
   30,442.50x = 5,300,149,404.52
5. Step 5: Solve for x
   x = 5,300,149,404.52/30,442.50
6. Step 6: Final answer
   x = 174,103.62