Finding the Third Proportional to 1,772,790 and 4,274,106

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772,790 : 4,274,106 = 4,274,106 : x
2. Step 2: Convert to fraction form
   1,772,790/4,274,106 = 4,274,106/x
3. Step 3: Cross multiply
   1,772,790x = 4,274,106 × 4,274,106
4. Step 4: Simplify right side
   1,772,790x = 18,267,982,099,236
5. Step 5: Solve for x
   x = 18,267,982,099,236/1,772,790
6. Step 6: Final answer
   x = 10,304,650.92