Finding the Third Proportional to 314,969.50 and 484,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   314,969.50 : 484,118.50 = 484,118.50 : x
2. Step 2: Convert to fraction form
   314,969.50/484,118.50 = 484,118.50/x
3. Step 3: Cross multiply
   314,969.50x = 484,118.50 × 484,118.50
4. Step 4: Simplify right side
   314,969.50x = 234,370,722,042.25
5. Step 5: Solve for x
   x = 234,370,722,042.25/314,969.50
6. Step 6: Final answer
   x = 744,106.09