Finding the Third Proportional to 42,294 and 61,443

Step by Step Solution

1. Step 1: Write the proportion equation
   42,294 : 61,443 = 61,443 : x
2. Step 2: Convert to fraction form
   42,294/61,443 = 61,443/x
3. Step 3: Cross multiply
   42,294x = 61,443 × 61,443
4. Step 4: Simplify right side
   42,294x = 3,775,242,249
5. Step 5: Solve for x
   x = 3,775,242,249/42,294
6. Step 6: Final answer
   x = 89,261.89