Finding the Third Proportional to 1,964,745 and 4,228,279

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964,745 : 4,228,279 = 4,228,279 : x
2. Step 2: Convert to fraction form
   1,964,745/4,228,279 = 4,228,279/x
3. Step 3: Cross multiply
   1,964,745x = 4,228,279 × 4,228,279
4. Step 4: Simplify right side
   1,964,745x = 17,878,343,301,841
5. Step 5: Solve for x
   x = 17,878,343,301,841/1,964,745
6. Step 6: Final answer
   x = 9,099,574.40