Finding the Third Proportional to 28,911 and 63,114

Step by Step Solution

1. Step 1: Write the proportion equation
   28,911 : 63,114 = 63,114 : x
2. Step 2: Convert to fraction form
   28,911/63,114 = 63,114/x
3. Step 3: Cross multiply
   28,911x = 63,114 × 63,114
4. Step 4: Simplify right side
   28,911x = 3,983,376,996
5. Step 5: Solve for x
   x = 3,983,376,996/28,911
6. Step 6: Final answer
   x = 137,780.67