Finding the Third Proportional to 572,078 and 776,946.50

Step by Step Solution

1. Step 1: Write the proportion equation
   572,078 : 776,946.50 = 776,946.50 : x
2. Step 2: Convert to fraction form
   572,078/776,946.50 = 776,946.50/x
3. Step 3: Cross multiply
   572,078x = 776,946.50 × 776,946.50
4. Step 4: Simplify right side
   572,078x = 603,645,863,862.25
5. Step 5: Solve for x
   x = 603,645,863,862.25/572,078
6. Step 6: Final answer
   x = 1,055,181.05