Finding the Third Proportional to 516,299 and 1,118,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   516,299 : 1,118,404.50 = 1,118,404.50 : x
2. Step 2: Convert to fraction form
   516,299/1,118,404.50 = 1,118,404.50/x
3. Step 3: Cross multiply
   516,299x = 1,118,404.50 × 1,118,404.50
4. Step 4: Simplify right side
   516,299x = 1,250,828,625,620.25
5. Step 5: Solve for x
   x = 1,250,828,625,620.25/516,299
6. Step 6: Final answer
   x = 2,422,682.64