Finding the Third Proportional to 651,942 and 1,374,678

Step by Step Solution

1. Step 1: Write the proportion equation
   651,942 : 1,374,678 = 1,374,678 : x
2. Step 2: Convert to fraction form
   651,942/1,374,678 = 1,374,678/x
3. Step 3: Cross multiply
   651,942x = 1,374,678 × 1,374,678
4. Step 4: Simplify right side
   651,942x = 1,889,739,603,684
5. Step 5: Solve for x
   x = 1,889,739,603,684/651,942
6. Step 6: Final answer
   x = 2,898,631.48