Finding the Third Proportional to 648,369 and 1,422,846

Step by Step Solution

1. Step 1: Write the proportion equation
   648,369 : 1,422,846 = 1,422,846 : x
2. Step 2: Convert to fraction form
   648,369/1,422,846 = 1,422,846/x
3. Step 3: Cross multiply
   648,369x = 1,422,846 × 1,422,846
4. Step 4: Simplify right side
   648,369x = 2,024,490,739,716
5. Step 5: Solve for x
   x = 2,024,490,739,716/648,369
6. Step 6: Final answer
   x = 3,122,436.05