Finding the Third Proportional to 28,972 and 63,500

Step by Step Solution

1. Step 1: Write the proportion equation
   28,972 : 63,500 = 63,500 : x
2. Step 2: Convert to fraction form
   28,972/63,500 = 63,500/x
3. Step 3: Cross multiply
   28,972x = 63,500 × 63,500
4. Step 4: Simplify right side
   28,972x = 4,032,250,000
5. Step 5: Solve for x
   x = 4,032,250,000/28,972
6. Step 6: Final answer
   x = 139,177.48