Finding the Third Proportional to 1,228,686 and 1,923,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,686 : 1,923,287.50 = 1,923,287.50 : x
2. Step 2: Convert to fraction form
   1,228,686/1,923,287.50 = 1,923,287.50/x
3. Step 3: Cross multiply
   1,228,686x = 1,923,287.50 × 1,923,287.50
4. Step 4: Simplify right side
   1,228,686x = 3,699,034,807,656.25
5. Step 5: Solve for x
   x = 3,699,034,807,656.25/1,228,686
6. Step 6: Final answer
   x = 3,010,561.53