Finding the Third Proportional to 696,580.50 and 1,422,678

Step by Step Solution

1. Step 1: Write the proportion equation
   696,580.50 : 1,422,678 = 1,422,678 : x
2. Step 2: Convert to fraction form
   696,580.50/1,422,678 = 1,422,678/x
3. Step 3: Cross multiply
   696,580.50x = 1,422,678 × 1,422,678
4. Step 4: Simplify right side
   696,580.50x = 2,024,012,691,684
5. Step 5: Solve for x
   x = 2,024,012,691,684/696,580.50
6. Step 6: Final answer
   x = 2,905,640.76