Finding the Third Proportional to 623,196 and 1,355,760

Step by Step Solution

1. Step 1: Write the proportion equation
   623,196 : 1,355,760 = 1,355,760 : x
2. Step 2: Convert to fraction form
   623,196/1,355,760 = 1,355,760/x
3. Step 3: Cross multiply
   623,196x = 1,355,760 × 1,355,760
4. Step 4: Simplify right side
   623,196x = 1,838,085,177,600
5. Step 5: Solve for x
   x = 1,838,085,177,600/623,196
6. Step 6: Final answer
   x = 2,949,449.58