Finding the Third Proportional to 611,359.50 and 1,438,504

Step by Step Solution

1. Step 1: Write the proportion equation
   611,359.50 : 1,438,504 = 1,438,504 : x
2. Step 2: Convert to fraction form
   611,359.50/1,438,504 = 1,438,504/x
3. Step 3: Cross multiply
   611,359.50x = 1,438,504 × 1,438,504
4. Step 4: Simplify right side
   611,359.50x = 2,069,293,758,016
5. Step 5: Solve for x
   x = 2,069,293,758,016/611,359.50
6. Step 6: Final answer
   x = 3,384,741.32