Finding the Third Proportional to 1,420,329 and 1,919,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420,329 : 1,919,581.50 = 1,919,581.50 : x
2. Step 2: Convert to fraction form
   1,420,329/1,919,581.50 = 1,919,581.50/x
3. Step 3: Cross multiply
   1,420,329x = 1,919,581.50 × 1,919,581.50
4. Step 4: Simplify right side
   1,420,329x = 3,684,793,135,142.25
5. Step 5: Solve for x
   x = 3,684,793,135,142.25/1,420,329
6. Step 6: Final answer
   x = 2,594,323.66