Finding the Third Proportional to 1,772,972 and 3,919,192

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772,972 : 3,919,192 = 3,919,192 : x
2. Step 2: Convert to fraction form
   1,772,972/3,919,192 = 3,919,192/x
3. Step 3: Cross multiply
   1,772,972x = 3,919,192 × 3,919,192
4. Step 4: Simplify right side
   1,772,972x = 15,360,065,932,864
5. Step 5: Solve for x
   x = 15,360,065,932,864/1,772,972
6. Step 6: Final answer
   x = 8,663,456.58