Finding the Third Proportional to 1,964,670 and 4,342,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964,670 : 4,342,272 = 4,342,272 : x
2. Step 2: Convert to fraction form
   1,964,670/4,342,272 = 4,342,272/x
3. Step 3: Cross multiply
   1,964,670x = 4,342,272 × 4,342,272
4. Step 4: Simplify right side
   1,964,670x = 18,855,326,121,984
5. Step 5: Solve for x
   x = 18,855,326,121,984/1,964,670
6. Step 6: Final answer
   x = 9,597,197.56