Finding the Third Proportional to 572,072 and 776,944.50

Step by Step Solution

1. Step 1: Write the proportion equation
   572,072 : 776,944.50 = 776,944.50 : x
2. Step 2: Convert to fraction form
   572,072/776,944.50 = 776,944.50/x
3. Step 3: Cross multiply
   572,072x = 776,944.50 × 776,944.50
4. Step 4: Simplify right side
   572,072x = 603,642,756,080.25
5. Step 5: Solve for x
   x = 603,642,756,080.25/572,072
6. Step 6: Final answer
   x = 1,055,186.68