Finding the Third Proportional to 1,038,563 and 2,159,685

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,563 : 2,159,685 = 2,159,685 : x
2. Step 2: Convert to fraction form
   1,038,563/2,159,685 = 2,159,685/x
3. Step 3: Cross multiply
   1,038,563x = 2,159,685 × 2,159,685
4. Step 4: Simplify right side
   1,038,563x = 4,664,239,299,225
5. Step 5: Solve for x
   x = 4,664,239,299,225/1,038,563
6. Step 6: Final answer
   x = 4,491,050.90