Finding the Third Proportional to 621,554 and 1,333,732

Step by Step Solution

1. Step 1: Write the proportion equation
   621,554 : 1,333,732 = 1,333,732 : x
2. Step 2: Convert to fraction form
   621,554/1,333,732 = 1,333,732/x
3. Step 3: Cross multiply
   621,554x = 1,333,732 × 1,333,732
4. Step 4: Simplify right side
   621,554x = 1,778,841,047,824
5. Step 5: Solve for x
   x = 1,778,841,047,824/621,554
6. Step 6: Final answer
   x = 2,861,925.19