Finding the Third Proportional to 42,320 and 62,168

Step by Step Solution

1. Step 1: Write the proportion equation
   42,320 : 62,168 = 62,168 : x
2. Step 2: Convert to fraction form
   42,320/62,168 = 62,168/x
3. Step 3: Cross multiply
   42,320x = 62,168 × 62,168
4. Step 4: Simplify right side
   42,320x = 3,864,860,224
5. Step 5: Solve for x
   x = 3,864,860,224/42,320
6. Step 6: Final answer
   x = 91,324.67