Finding the Third Proportional to 910,978.50 and 1,993,569

Step by Step Solution

1. Step 1: Write the proportion equation
   910,978.50 : 1,993,569 = 1,993,569 : x
2. Step 2: Convert to fraction form
   910,978.50/1,993,569 = 1,993,569/x
3. Step 3: Cross multiply
   910,978.50x = 1,993,569 × 1,993,569
4. Step 4: Simplify right side
   910,978.50x = 3,974,317,357,761
5. Step 5: Solve for x
   x = 3,974,317,357,761/910,978.50
6. Step 6: Final answer
   x = 4,362,690.62