Finding the Third Proportional to 394,151.50 and 601,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   394,151.50 : 601,068.50 = 601,068.50 : x
2. Step 2: Convert to fraction form
   394,151.50/601,068.50 = 601,068.50/x
3. Step 3: Cross multiply
   394,151.50x = 601,068.50 × 601,068.50
4. Step 4: Simplify right side
   394,151.50x = 361,283,341,692.25
5. Step 5: Solve for x
   x = 361,283,341,692.25/394,151.50
6. Step 6: Final answer
   x = 916,610.34