Finding the Third Proportional to 1,574,016 and 3,478,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,016 : 3,478,816 = 3,478,816 : x
2. Step 2: Convert to fraction form
   1,574,016/3,478,816 = 3,478,816/x
3. Step 3: Cross multiply
   1,574,016x = 3,478,816 × 3,478,816
4. Step 4: Simplify right side
   1,574,016x = 12,102,160,761,856
5. Step 5: Solve for x
   x = 12,102,160,761,856/1,574,016
6. Step 6: Final answer
   x = 7,688,715.21