Finding the Third Proportional to 817,471.50 and 1,909,371

Step by Step Solution

1. Step 1: Write the proportion equation
   817,471.50 : 1,909,371 = 1,909,371 : x
2. Step 2: Convert to fraction form
   817,471.50/1,909,371 = 1,909,371/x
3. Step 3: Cross multiply
   817,471.50x = 1,909,371 × 1,909,371
4. Step 4: Simplify right side
   817,471.50x = 3,645,697,615,641
5. Step 5: Solve for x
   x = 3,645,697,615,641/817,471.50
6. Step 6: Final answer
   x = 4,459,724.43