Finding the Third Proportional to 314,698.50 and 474,660

Step by Step Solution

1. Step 1: Write the proportion equation
   314,698.50 : 474,660 = 474,660 : x
2. Step 2: Convert to fraction form
   314,698.50/474,660 = 474,660/x
3. Step 3: Cross multiply
   314,698.50x = 474,660 × 474,660
4. Step 4: Simplify right side
   314,698.50x = 225,302,115,600
5. Step 5: Solve for x
   x = 225,302,115,600/314,698.50
6. Step 6: Final answer
   x = 715,930.06