Finding the Third Proportional to 1,403,112 and 3,030,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,112 : 3,030,420 = 3,030,420 : x
2. Step 2: Convert to fraction form
   1,403,112/3,030,420 = 3,030,420/x
3. Step 3: Cross multiply
   1,403,112x = 3,030,420 × 3,030,420
4. Step 4: Simplify right side
   1,403,112x = 9,183,445,376,400
5. Step 5: Solve for x
   x = 9,183,445,376,400/1,403,112
6. Step 6: Final answer
   x = 6,545,055.12