Finding the Third Proportional to 1,129,130 and 2,421,988

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,130 : 2,421,988 = 2,421,988 : x
2. Step 2: Convert to fraction form
   1,129,130/2,421,988 = 2,421,988/x
3. Step 3: Cross multiply
   1,129,130x = 2,421,988 × 2,421,988
4. Step 4: Simplify right side
   1,129,130x = 5,866,025,872,144
5. Step 5: Solve for x
   x = 5,866,025,872,144/1,129,130
6. Step 6: Final answer
   x = 5,195,173.16