Finding the Third Proportional to 609,420 and 1,323,672

Step by Step Solution

1. Step 1: Write the proportion equation
   609,420 : 1,323,672 = 1,323,672 : x
2. Step 2: Convert to fraction form
   609,420/1,323,672 = 1,323,672/x
3. Step 3: Cross multiply
   609,420x = 1,323,672 × 1,323,672
4. Step 4: Simplify right side
   609,420x = 1,752,107,563,584
5. Step 5: Solve for x
   x = 1,752,107,563,584/609,420
6. Step 6: Final answer
   x = 2,875,041.13