Finding the Third Proportional to 538,120 and 1,181,200

Step by Step Solution

1. Step 1: Write the proportion equation
   538,120 : 1,181,200 = 1,181,200 : x
2. Step 2: Convert to fraction form
   538,120/1,181,200 = 1,181,200/x
3. Step 3: Cross multiply
   538,120x = 1,181,200 × 1,181,200
4. Step 4: Simplify right side
   538,120x = 1,395,233,440,000
5. Step 5: Solve for x
   x = 1,395,233,440,000/538,120
6. Step 6: Final answer
   x = 2,592,792.39