Finding the Third Proportional to 42,458 and 62,445

Step by Step Solution

1. Step 1: Write the proportion equation
   42,458 : 62,445 = 62,445 : x
2. Step 2: Convert to fraction form
   42,458/62,445 = 62,445/x
3. Step 3: Cross multiply
   42,458x = 62,445 × 62,445
4. Step 4: Simplify right side
   42,458x = 3,899,378,025
5. Step 5: Solve for x
   x = 3,899,378,025/42,458
6. Step 6: Final answer
   x = 91,840.83