Finding the Third Proportional to 1,223,820 and 2,624,805

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,820 : 2,624,805 = 2,624,805 : x
2. Step 2: Convert to fraction form
   1,223,820/2,624,805 = 2,624,805/x
3. Step 3: Cross multiply
   1,223,820x = 2,624,805 × 2,624,805
4. Step 4: Simplify right side
   1,223,820x = 6,889,601,288,025
5. Step 5: Solve for x
   x = 6,889,601,288,025/1,223,820
6. Step 6: Final answer
   x = 5,629,587.10