Finding the Third Proportional to 572,079.50 and 776,949

Step by Step Solution

1. Step 1: Write the proportion equation
   572,079.50 : 776,949 = 776,949 : x
2. Step 2: Convert to fraction form
   572,079.50/776,949 = 776,949/x
3. Step 3: Cross multiply
   572,079.50x = 776,949 × 776,949
4. Step 4: Simplify right side
   572,079.50x = 603,649,748,601
5. Step 5: Solve for x
   x = 603,649,748,601/572,079.50
6. Step 6: Final answer
   x = 1,055,185.07