Finding the Third Proportional to 1,963,145 and 4,152,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,963,145 : 4,152,638 = 4,152,638 : x
2. Step 2: Convert to fraction form
   1,963,145/4,152,638 = 4,152,638/x
3. Step 3: Cross multiply
   1,963,145x = 4,152,638 × 4,152,638
4. Step 4: Simplify right side
   1,963,145x = 17,244,402,359,044
5. Step 5: Solve for x
   x = 17,244,402,359,044/1,963,145
6. Step 6: Final answer
   x = 8,784,069.62