Finding the Third Proportional to 28,934.50 and 63,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,934.50 : 63,408.50 = 63,408.50 : x
2. Step 2: Convert to fraction form
   28,934.50/63,408.50 = 63,408.50/x
3. Step 3: Cross multiply
   28,934.50x = 63,408.50 × 63,408.50
4. Step 4: Simplify right side
   28,934.50x = 4,020,637,872.25
5. Step 5: Solve for x
   x = 4,020,637,872.25/28,934.50
6. Step 6: Final answer
   x = 138,956.54