Finding the Third Proportional to 42,496 and 62,240

Step by Step Solution

1. Step 1: Write the proportion equation
   42,496 : 62,240 = 62,240 : x
2. Step 2: Convert to fraction form
   42,496/62,240 = 62,240/x
3. Step 3: Cross multiply
   42,496x = 62,240 × 62,240
4. Step 4: Simplify right side
   42,496x = 3,873,817,600
5. Step 5: Solve for x
   x = 3,873,817,600/42,496
6. Step 6: Final answer
   x = 91,157.23