Finding the Third Proportional to 387,466 and 834,305.50

Step by Step Solution

1. Step 1: Write the proportion equation
   387,466 : 834,305.50 = 834,305.50 : x
2. Step 2: Convert to fraction form
   387,466/834,305.50 = 834,305.50/x
3. Step 3: Cross multiply
   387,466x = 834,305.50 × 834,305.50
4. Step 4: Simplify right side
   387,466x = 696,065,667,330.25
5. Step 5: Solve for x
   x = 696,065,667,330.25/387,466
6. Step 6: Final answer
   x = 1,796,456.12