Finding the Third Proportional to 514,197 and 788,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   514,197 : 788,791.50 = 788,791.50 : x
2. Step 2: Convert to fraction form
   514,197/788,791.50 = 788,791.50/x
3. Step 3: Cross multiply
   514,197x = 788,791.50 × 788,791.50
4. Step 4: Simplify right side
   514,197x = 622,192,030,472.25
5. Step 5: Solve for x
   x = 622,192,030,472.25/514,197
6. Step 6: Final answer
   x = 1,210,026.57