Finding the Third Proportional to 726,094.50 and 1,578,123

Step by Step Solution

1. Step 1: Write the proportion equation
   726,094.50 : 1,578,123 = 1,578,123 : x
2. Step 2: Convert to fraction form
   726,094.50/1,578,123 = 1,578,123/x
3. Step 3: Cross multiply
   726,094.50x = 1,578,123 × 1,578,123
4. Step 4: Simplify right side
   726,094.50x = 2,490,472,203,129
5. Step 5: Solve for x
   x = 2,490,472,203,129/726,094.50
6. Step 6: Final answer
   x = 3,429,956.02