Finding the Third Proportional to 561,980 and 1,223,716

Step by Step Solution

1. Step 1: Write the proportion equation
   561,980 : 1,223,716 = 1,223,716 : x
2. Step 2: Convert to fraction form
   561,980/1,223,716 = 1,223,716/x
3. Step 3: Cross multiply
   561,980x = 1,223,716 × 1,223,716
4. Step 4: Simplify right side
   561,980x = 1,497,480,848,656
5. Step 5: Solve for x
   x = 1,497,480,848,656/561,980
6. Step 6: Final answer
   x = 2,664,651.50