Finding the Third Proportional to 1,015,170 and 1,428,319.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,170 : 1,428,319.50 = 1,428,319.50 : x
2. Step 2: Convert to fraction form
   1,015,170/1,428,319.50 = 1,428,319.50/x
3. Step 3: Cross multiply
   1,015,170x = 1,428,319.50 × 1,428,319.50
4. Step 4: Simplify right side
   1,015,170x = 2,040,096,594,080.25
5. Step 5: Solve for x
   x = 2,040,096,594,080.25/1,015,170
6. Step 6: Final answer
   x = 2,009,610.80