Finding the Third Proportional to 42,503 and 62,458

Step by Step Solution

1. Step 1: Write the proportion equation
   42,503 : 62,458 = 62,458 : x
2. Step 2: Convert to fraction form
   42,503/62,458 = 62,458/x
3. Step 3: Cross multiply
   42,503x = 62,458 × 62,458
4. Step 4: Simplify right side
   42,503x = 3,901,001,764
5. Step 5: Solve for x
   x = 3,901,001,764/42,503
6. Step 6: Final answer
   x = 91,781.80