Finding the Third Proportional to 394,627.50 and 852,318

Step by Step Solution

1. Step 1: Write the proportion equation
   394,627.50 : 852,318 = 852,318 : x
2. Step 2: Convert to fraction form
   394,627.50/852,318 = 852,318/x
3. Step 3: Cross multiply
   394,627.50x = 852,318 × 852,318
4. Step 4: Simplify right side
   394,627.50x = 726,445,973,124
5. Step 5: Solve for x
   x = 726,445,973,124/394,627.50
6. Step 6: Final answer
   x = 1,840,839.71