Finding the Third Proportional to 394,152.50 and 601,070

Step by Step Solution

1. Step 1: Write the proportion equation
   394,152.50 : 601,070 = 601,070 : x
2. Step 2: Convert to fraction form
   394,152.50/601,070 = 601,070/x
3. Step 3: Cross multiply
   394,152.50x = 601,070 × 601,070
4. Step 4: Simplify right side
   394,152.50x = 361,285,144,900
5. Step 5: Solve for x
   x = 361,285,144,900/394,152.50
6. Step 6: Final answer
   x = 916,612.59