Finding the Third Proportional to 571,617 and 1,219,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   571,617 : 1,219,171.50 = 1,219,171.50 : x
2. Step 2: Convert to fraction form
   571,617/1,219,171.50 = 1,219,171.50/x
3. Step 3: Cross multiply
   571,617x = 1,219,171.50 × 1,219,171.50
4. Step 4: Simplify right side
   571,617x = 1,486,379,146,412.25
5. Step 5: Solve for x
   x = 1,486,379,146,412.25/571,617
6. Step 6: Final answer
   x = 2,600,306.06