Finding the Third Proportional to 623,648 and 1,004,376

Step by Step Solution

1. Step 1: Write the proportion equation
   623,648 : 1,004,376 = 1,004,376 : x
2. Step 2: Convert to fraction form
   623,648/1,004,376 = 1,004,376/x
3. Step 3: Cross multiply
   623,648x = 1,004,376 × 1,004,376
4. Step 4: Simplify right side
   623,648x = 1,008,771,149,376
5. Step 5: Solve for x
   x = 1,008,771,149,376/623,648
6. Step 6: Final answer
   x = 1,617,532.89