Finding the Third Proportional to 13,776.75 and 28,750.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,776.75 : 28,750.78 = 28,750.78 : x
2. Step 2: Convert to fraction form
   13,776.75/28,750.78 = 28,750.78/x
3. Step 3: Cross multiply
   13,776.75x = 28,750.78 × 28,750.78
4. Step 4: Simplify right side
   13,776.75x = 826,607,422.49
5. Step 5: Solve for x
   x = 826,607,422.49/13,776.75
6. Step 6: Final answer
   x = 60,000.18