Finding the Third Proportional to 1,223,685 and 2,624,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,685 : 2,624,520 = 2,624,520 : x
2. Step 2: Convert to fraction form
   1,223,685/2,624,520 = 2,624,520/x
3. Step 3: Cross multiply
   1,223,685x = 2,624,520 × 2,624,520
4. Step 4: Simplify right side
   1,223,685x = 6,888,105,230,400
5. Step 5: Solve for x
   x = 6,888,105,230,400/1,223,685
6. Step 6: Final answer
   x = 5,628,985.59