Finding the Third Proportional to 394,543.50 and 849,930

Step by Step Solution

1. Step 1: Write the proportion equation
   394,543.50 : 849,930 = 849,930 : x
2. Step 2: Convert to fraction form
   394,543.50/849,930 = 849,930/x
3. Step 3: Cross multiply
   394,543.50x = 849,930 × 849,930
4. Step 4: Simplify right side
   394,543.50x = 722,381,004,900
5. Step 5: Solve for x
   x = 722,381,004,900/394,543.50
6. Step 6: Final answer
   x = 1,830,928.67