Finding the Third Proportional to 28,947 and 63,132

Step by Step Solution

1. Step 1: Write the proportion equation
   28,947 : 63,132 = 63,132 : x
2. Step 2: Convert to fraction form
   28,947/63,132 = 63,132/x
3. Step 3: Cross multiply
   28,947x = 63,132 × 63,132
4. Step 4: Simplify right side
   28,947x = 3,985,649,424
5. Step 5: Solve for x
   x = 3,985,649,424/28,947
6. Step 6: Final answer
   x = 137,687.82