Finding the Third Proportional to 726,123.50 and 1,578,179

Step by Step Solution

1. Step 1: Write the proportion equation
   726,123.50 : 1,578,179 = 1,578,179 : x
2. Step 2: Convert to fraction form
   726,123.50/1,578,179 = 1,578,179/x
3. Step 3: Cross multiply
   726,123.50x = 1,578,179 × 1,578,179
4. Step 4: Simplify right side
   726,123.50x = 2,490,648,956,041
5. Step 5: Solve for x
   x = 2,490,648,956,041/726,123.50
6. Step 6: Final answer
   x = 3,430,062.46