Finding the Third Proportional to 808,339.50 and 1,123,920.56

Step by Step Solution

1. Step 1: Write the proportion equation
   808,339.50 : 1,123,920.56 = 1,123,920.56 : x
2. Step 2: Convert to fraction form
   808,339.50/1,123,920.56 = 1,123,920.56/x
3. Step 3: Cross multiply
   808,339.50x = 1,123,920.56 × 1,123,920.56
4. Step 4: Simplify right side
   808,339.50x = 1,263,197,430,810.32
5. Step 5: Solve for x
   x = 1,263,197,430,810.32/808,339.50
6. Step 6: Final answer
   x = 1,562,706.55