Finding the Third Proportional to 1,238,423 and 1,743,988

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,423 : 1,743,988 = 1,743,988 : x
2. Step 2: Convert to fraction form
   1,238,423/1,743,988 = 1,743,988/x
3. Step 3: Cross multiply
   1,238,423x = 1,743,988 × 1,743,988
4. Step 4: Simplify right side
   1,238,423x = 3,041,494,144,144
5. Step 5: Solve for x
   x = 3,041,494,144,144/1,238,423
6. Step 6: Final answer
   x = 2,455,941.26