Finding the Third Proportional to 808,086.50 and 1,205,123

Step by Step Solution

1. Step 1: Write the proportion equation
   808,086.50 : 1,205,123 = 1,205,123 : x
2. Step 2: Convert to fraction form
   808,086.50/1,205,123 = 1,205,123/x
3. Step 3: Cross multiply
   808,086.50x = 1,205,123 × 1,205,123
4. Step 4: Simplify right side
   808,086.50x = 1,452,321,445,129
5. Step 5: Solve for x
   x = 1,452,321,445,129/808,086.50
6. Step 6: Final answer
   x = 1,797,235.13