Finding the Third Proportional to 541,290.50 and 841,399

Step by Step Solution

1. Step 1: Write the proportion equation
   541,290.50 : 841,399 = 841,399 : x
2. Step 2: Convert to fraction form
   541,290.50/841,399 = 841,399/x
3. Step 3: Cross multiply
   541,290.50x = 841,399 × 841,399
4. Step 4: Simplify right side
   541,290.50x = 707,952,277,201
5. Step 5: Solve for x
   x = 707,952,277,201/541,290.50
6. Step 6: Final answer
   x = 1,307,897.10