Finding the Third Proportional to 783,116 and 1,244,690

Step by Step Solution

1. Step 1: Write the proportion equation
   783,116 : 1,244,690 = 1,244,690 : x
2. Step 2: Convert to fraction form
   783,116/1,244,690 = 1,244,690/x
3. Step 3: Cross multiply
   783,116x = 1,244,690 × 1,244,690
4. Step 4: Simplify right side
   783,116x = 1,549,253,196,100
5. Step 5: Solve for x
   x = 1,549,253,196,100/783,116
6. Step 6: Final answer
   x = 1,978,318.92