Finding the Third Proportional to 42,372 and 62,243

Step by Step Solution

1. Step 1: Write the proportion equation
   42,372 : 62,243 = 62,243 : x
2. Step 2: Convert to fraction form
   42,372/62,243 = 62,243/x
3. Step 3: Cross multiply
   42,372x = 62,243 × 62,243
4. Step 4: Simplify right side
   42,372x = 3,874,191,049
5. Step 5: Solve for x
   x = 3,874,191,049/42,372
6. Step 6: Final answer
   x = 91,432.81