Finding the Third Proportional to 1,619,915 and 3,480,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,915 : 3,480,228 = 3,480,228 : x
2. Step 2: Convert to fraction form
   1,619,915/3,480,228 = 3,480,228/x
3. Step 3: Cross multiply
   1,619,915x = 3,480,228 × 3,480,228
4. Step 4: Simplify right side
   1,619,915x = 12,111,986,931,984
5. Step 5: Solve for x
   x = 12,111,986,931,984/1,619,915
6. Step 6: Final answer
   x = 7,476,927.45