Finding the Third Proportional to 28,916 and 63,372

Step by Step Solution

1. Step 1: Write the proportion equation
   28,916 : 63,372 = 63,372 : x
2. Step 2: Convert to fraction form
   28,916/63,372 = 63,372/x
3. Step 3: Cross multiply
   28,916x = 63,372 × 63,372
4. Step 4: Simplify right side
   28,916x = 4,016,010,384
5. Step 5: Solve for x
   x = 4,016,010,384/28,916
6. Step 6: Final answer
   x = 138,885.41