Finding the Third Proportional to 504,420 and 1,107,120

Step by Step Solution

1. Step 1: Write the proportion equation
   504,420 : 1,107,120 = 1,107,120 : x
2. Step 2: Convert to fraction form
   504,420/1,107,120 = 1,107,120/x
3. Step 3: Cross multiply
   504,420x = 1,107,120 × 1,107,120
4. Step 4: Simplify right side
   504,420x = 1,225,714,694,400
5. Step 5: Solve for x
   x = 1,225,714,694,400/504,420
6. Step 6: Final answer
   x = 2,429,948.64