Finding the Third Proportional to 1,223,616 and 2,624,322

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,616 : 2,624,322 = 2,624,322 : x
2. Step 2: Convert to fraction form
   1,223,616/2,624,322 = 2,624,322/x
3. Step 3: Cross multiply
   1,223,616x = 2,624,322 × 2,624,322
4. Step 4: Simplify right side
   1,223,616x = 6,887,065,959,684
5. Step 5: Solve for x
   x = 6,887,065,959,684/1,223,616
6. Step 6: Final answer
   x = 5,628,453.66