Finding the Third Proportional to 52,824 and 72,432

Step by Step Solution

1. Step 1: Write the proportion equation
   52,824 : 72,432 = 72,432 : x
2. Step 2: Convert to fraction form
   52,824/72,432 = 72,432/x
3. Step 3: Cross multiply
   52,824x = 72,432 × 72,432
4. Step 4: Simplify right side
   52,824x = 5,246,394,624
5. Step 5: Solve for x
   x = 5,246,394,624/52,824
6. Step 6: Final answer
   x = 99,318.39