Finding the Third Proportional to 817,466 and 1,909,361.50

Step by Step Solution

1. Step 1: Write the proportion equation
   817,466 : 1,909,361.50 = 1,909,361.50 : x
2. Step 2: Convert to fraction form
   817,466/1,909,361.50 = 1,909,361.50/x
3. Step 3: Cross multiply
   817,466x = 1,909,361.50 × 1,909,361.50
4. Step 4: Simplify right side
   817,466x = 3,645,661,337,682.25
5. Step 5: Solve for x
   x = 3,645,661,337,682.25/817,466
6. Step 6: Final answer
   x = 4,459,710.05