Finding the Third Proportional to 637,754 and 1,399,908

Step by Step Solution

1. Step 1: Write the proportion equation
   637,754 : 1,399,908 = 1,399,908 : x
2. Step 2: Convert to fraction form
   637,754/1,399,908 = 1,399,908/x
3. Step 3: Cross multiply
   637,754x = 1,399,908 × 1,399,908
4. Step 4: Simplify right side
   637,754x = 1,959,742,408,464
5. Step 5: Solve for x
   x = 1,959,742,408,464/637,754
6. Step 6: Final answer
   x = 3,072,881.41