Finding the Third Proportional to 783,112 and 1,244,684

Step by Step Solution

1. Step 1: Write the proportion equation
   783,112 : 1,244,684 = 1,244,684 : x
2. Step 2: Convert to fraction form
   783,112/1,244,684 = 1,244,684/x
3. Step 3: Cross multiply
   783,112x = 1,244,684 × 1,244,684
4. Step 4: Simplify right side
   783,112x = 1,549,238,259,856
5. Step 5: Solve for x
   x = 1,549,238,259,856/783,112
6. Step 6: Final answer
   x = 1,978,309.95