Finding the Third Proportional to 28,280 and 42,484

Step by Step Solution

1. Step 1: Write the proportion equation
   28,280 : 42,484 = 42,484 : x
2. Step 2: Convert to fraction form
   28,280/42,484 = 42,484/x
3. Step 3: Cross multiply
   28,280x = 42,484 × 42,484
4. Step 4: Simplify right side
   28,280x = 1,804,890,256
5. Step 5: Solve for x
   x = 1,804,890,256/28,280
6. Step 6: Final answer
   x = 63,822.14