Finding the Third Proportional to 394,357 and 610,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   394,357 : 610,055.50 = 610,055.50 : x
2. Step 2: Convert to fraction form
   394,357/610,055.50 = 610,055.50/x
3. Step 3: Cross multiply
   394,357x = 610,055.50 × 610,055.50
4. Step 4: Simplify right side
   394,357x = 372,167,713,080.25
5. Step 5: Solve for x
   x = 372,167,713,080.25/394,357
6. Step 6: Final answer
   x = 943,733.00