Finding the Third Proportional to 1,574,019 and 3,478,830

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,019 : 3,478,830 = 3,478,830 : x
2. Step 2: Convert to fraction form
   1,574,019/3,478,830 = 3,478,830/x
3. Step 3: Cross multiply
   1,574,019x = 3,478,830 × 3,478,830
4. Step 4: Simplify right side
   1,574,019x = 12,102,258,168,900
5. Step 5: Solve for x
   x = 12,102,258,168,900/1,574,019
6. Step 6: Final answer
   x = 7,688,762.44