Finding the Third Proportional to 484,488 and 743,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   484,488 : 743,680.50 = 743,680.50 : x
2. Step 2: Convert to fraction form
   484,488/743,680.50 = 743,680.50/x
3. Step 3: Cross multiply
   484,488x = 743,680.50 × 743,680.50
4. Step 4: Simplify right side
   484,488x = 553,060,686,080.25
5. Step 5: Solve for x
   x = 553,060,686,080.25/484,488
6. Step 6: Final answer
   x = 1,141,536.40