Finding the Third Proportional to 1,964,745 and 4,342,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964,745 : 4,342,428 = 4,342,428 : x
2. Step 2: Convert to fraction form
   1,964,745/4,342,428 = 4,342,428/x
3. Step 3: Cross multiply
   1,964,745x = 4,342,428 × 4,342,428
4. Step 4: Simplify right side
   1,964,745x = 18,856,680,935,184
5. Step 5: Solve for x
   x = 18,856,680,935,184/1,964,745
6. Step 6: Final answer
   x = 9,597,520.76