Finding the Third Proportional to 7,418 and 10,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,418 : 10,877.50 = 10,877.50 : x
2. Step 2: Convert to fraction form
   7,418/10,877.50 = 10,877.50/x
3. Step 3: Cross multiply
   7,418x = 10,877.50 × 10,877.50
4. Step 4: Simplify right side
   7,418x = 118,320,006.25
5. Step 5: Solve for x
   x = 118,320,006.25/7,418
6. Step 6: Final answer
   x = 15,950.39