Finding the Third Proportional to 4,204,770 and 9,223,428

Step by Step Solution

1. Step 1: Write the proportion equation
   4,204,770 : 9,223,428 = 9,223,428 : x
2. Step 2: Convert to fraction form
   4,204,770/9,223,428 = 9,223,428/x
3. Step 3: Cross multiply
   4,204,770x = 9,223,428 × 9,223,428
4. Step 4: Simplify right side
   4,204,770x = 85,071,624,071,184
5. Step 5: Solve for x
   x = 85,071,624,071,184/4,204,770
6. Step 6: Final answer
   x = 20,232,170.62