Finding the Third Proportional to 621,592 and 1,333,808

Step by Step Solution

1. Step 1: Write the proportion equation
   621,592 : 1,333,808 = 1,333,808 : x
2. Step 2: Convert to fraction form
   621,592/1,333,808 = 1,333,808/x
3. Step 3: Cross multiply
   621,592x = 1,333,808 × 1,333,808
4. Step 4: Simplify right side
   621,592x = 1,779,043,780,864
5. Step 5: Solve for x
   x = 1,779,043,780,864/621,592
6. Step 6: Final answer
   x = 2,862,076.38