Finding the Third Proportional to 42,380 and 62,272

Step by Step Solution

1. Step 1: Write the proportion equation
   42,380 : 62,272 = 62,272 : x
2. Step 2: Convert to fraction form
   42,380/62,272 = 62,272/x
3. Step 3: Cross multiply
   42,380x = 62,272 × 62,272
4. Step 4: Simplify right side
   42,380x = 3,877,801,984
5. Step 5: Solve for x
   x = 3,877,801,984/42,380
6. Step 6: Final answer
   x = 91,500.75