Finding the Third Proportional to 620,272.69 and 939,762

Step by Step Solution

1. Step 1: Write the proportion equation
   620,272.69 : 939,762 = 939,762 : x
2. Step 2: Convert to fraction form
   620,272.69/939,762 = 939,762/x
3. Step 3: Cross multiply
   620,272.69x = 939,762 × 939,762
4. Step 4: Simplify right side
   620,272.69x = 883,152,616,644
5. Step 5: Solve for x
   x = 883,152,616,644/620,272.69
6. Step 6: Final answer
   x = 1,423,813.48