Finding the Third Proportional to 42,864 and 62,620

Step by Step Solution

1. Step 1: Write the proportion equation
   42,864 : 62,620 = 62,620 : x
2. Step 2: Convert to fraction form
   42,864/62,620 = 62,620/x
3. Step 3: Cross multiply
   42,864x = 62,620 × 62,620
4. Step 4: Simplify right side
   42,864x = 3,921,264,400
5. Step 5: Solve for x
   x = 3,921,264,400/42,864
6. Step 6: Final answer
   x = 91,481.53