Finding the Third Proportional to 623,427 and 1,344,144

Step by Step Solution

1. Step 1: Write the proportion equation
   623,427 : 1,344,144 = 1,344,144 : x
2. Step 2: Convert to fraction form
   623,427/1,344,144 = 1,344,144/x
3. Step 3: Cross multiply
   623,427x = 1,344,144 × 1,344,144
4. Step 4: Simplify right side
   623,427x = 1,806,723,092,736
5. Step 5: Solve for x
   x = 1,806,723,092,736/623,427
6. Step 6: Final answer
   x = 2,898,050.76