Finding the Third Proportional to 817,669.69 and 1,145,800.69

Step by Step Solution

1. Step 1: Write the proportion equation
   817,669.69 : 1,145,800.69 = 1,145,800.69 : x
2. Step 2: Convert to fraction form
   817,669.69/1,145,800.69 = 1,145,800.69/x
3. Step 3: Cross multiply
   817,669.69x = 1,145,800.69 × 1,145,800.69
4. Step 4: Simplify right side
   817,669.69x = 1,312,859,215,475.47
5. Step 5: Solve for x
   x = 1,312,859,215,475.47/817,669.69
6. Step 6: Final answer
   x = 1,605,610.72