Finding the Third Proportional to 788,760 and 1,287,846

Step by Step Solution

1. Step 1: Write the proportion equation
   788,760 : 1,287,846 = 1,287,846 : x
2. Step 2: Convert to fraction form
   788,760/1,287,846 = 1,287,846/x
3. Step 3: Cross multiply
   788,760x = 1,287,846 × 1,287,846
4. Step 4: Simplify right side
   788,760x = 1,658,547,319,716
5. Step 5: Solve for x
   x = 1,658,547,319,716/788,760
6. Step 6: Final answer
   x = 2,102,727.47