Finding the Third Proportional to 621,588 and 1,333,800

Step by Step Solution

1. Step 1: Write the proportion equation
   621,588 : 1,333,800 = 1,333,800 : x
2. Step 2: Convert to fraction form
   621,588/1,333,800 = 1,333,800/x
3. Step 3: Cross multiply
   621,588x = 1,333,800 × 1,333,800
4. Step 4: Simplify right side
   621,588x = 1,779,022,440,000
5. Step 5: Solve for x
   x = 1,779,022,440,000/621,588
6. Step 6: Final answer
   x = 2,862,060.46