Finding the Third Proportional to 29,280 and 42,672

Step by Step Solution

1. Step 1: Write the proportion equation
   29,280 : 42,672 = 42,672 : x
2. Step 2: Convert to fraction form
   29,280/42,672 = 42,672/x
3. Step 3: Cross multiply
   29,280x = 42,672 × 42,672
4. Step 4: Simplify right side
   29,280x = 1,820,899,584
5. Step 5: Solve for x
   x = 1,820,899,584/29,280
6. Step 6: Final answer
   x = 62,189.19