Finding the Third Proportional to 476,796 and 720,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   476,796 : 720,055.50 = 720,055.50 : x
2. Step 2: Convert to fraction form
   476,796/720,055.50 = 720,055.50/x
3. Step 3: Cross multiply
   476,796x = 720,055.50 × 720,055.50
4. Step 4: Simplify right side
   476,796x = 518,479,923,080.25
5. Step 5: Solve for x
   x = 518,479,923,080.25/476,796
6. Step 6: Final answer
   x = 1,087,425.07