Finding the Third Proportional to 1,131,315.50 and 2,439,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,315.50 : 2,439,658 = 2,439,658 : x
2. Step 2: Convert to fraction form
   1,131,315.50/2,439,658 = 2,439,658/x
3. Step 3: Cross multiply
   1,131,315.50x = 2,439,658 × 2,439,658
4. Step 4: Simplify right side
   1,131,315.50x = 5,951,931,156,964
5. Step 5: Solve for x
   x = 5,951,931,156,964/1,131,315.50
6. Step 6: Final answer
   x = 5,261,070.99