Finding the Third Proportional to 854,356.50 and 1,819,143

Step by Step Solution

1. Step 1: Write the proportion equation
   854,356.50 : 1,819,143 = 1,819,143 : x
2. Step 2: Convert to fraction form
   854,356.50/1,819,143 = 1,819,143/x
3. Step 3: Cross multiply
   854,356.50x = 1,819,143 × 1,819,143
4. Step 4: Simplify right side
   854,356.50x = 3,309,281,254,449
5. Step 5: Solve for x
   x = 3,309,281,254,449/854,356.50
6. Step 6: Final answer
   x = 3,873,419.65