Finding the Third Proportional to 623,130 and 1,355,610

Step by Step Solution

1. Step 1: Write the proportion equation
   623,130 : 1,355,610 = 1,355,610 : x
2. Step 2: Convert to fraction form
   623,130/1,355,610 = 1,355,610/x
3. Step 3: Cross multiply
   623,130x = 1,355,610 × 1,355,610
4. Step 4: Simplify right side
   623,130x = 1,837,678,472,100
5. Step 5: Solve for x
   x = 1,837,678,472,100/623,130
6. Step 6: Final answer
   x = 2,949,109.29