Finding the Third Proportional to 726,745.50 and 1,697,490

Step by Step Solution

1. Step 1: Write the proportion equation
   726,745.50 : 1,697,490 = 1,697,490 : x
2. Step 2: Convert to fraction form
   726,745.50/1,697,490 = 1,697,490/x
3. Step 3: Cross multiply
   726,745.50x = 1,697,490 × 1,697,490
4. Step 4: Simplify right side
   726,745.50x = 2,881,472,300,100
5. Step 5: Solve for x
   x = 2,881,472,300,100/726,745.50
6. Step 6: Final answer
   x = 3,964,898.72