Finding the Third Proportional to 1,308,969 and 1,920,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308,969 : 1,920,340.50 = 1,920,340.50 : x
2. Step 2: Convert to fraction form
   1,308,969/1,920,340.50 = 1,920,340.50/x
3. Step 3: Cross multiply
   1,308,969x = 1,920,340.50 × 1,920,340.50
4. Step 4: Simplify right side
   1,308,969x = 3,687,707,635,940.25
5. Step 5: Solve for x
   x = 3,687,707,635,940.25/1,308,969
6. Step 6: Final answer
   x = 2,817,261.25