Finding the Third Proportional to 2,187,757.50 and 3,311,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,757.50 : 3,311,818.50 = 3,311,818.50 : x
2. Step 2: Convert to fraction form
   2,187,757.50/3,311,818.50 = 3,311,818.50/x
3. Step 3: Cross multiply
   2,187,757.50x = 3,311,818.50 × 3,311,818.50
4. Step 4: Simplify right side
   2,187,757.50x = 10,968,141,776,942.25
5. Step 5: Solve for x
   x = 10,968,141,776,942.25/2,187,757.50
6. Step 6: Final answer
   x = 5,013,417.52