Finding the Third Proportional to 1,953,479 and 4,222,771

Step by Step Solution

1. Step 1: Write the proportion equation
   1,953,479 : 4,222,771 = 4,222,771 : x
2. Step 2: Convert to fraction form
   1,953,479/4,222,771 = 4,222,771/x
3. Step 3: Cross multiply
   1,953,479x = 4,222,771 × 4,222,771
4. Step 4: Simplify right side
   1,953,479x = 17,831,794,918,441
5. Step 5: Solve for x
   x = 17,831,794,918,441/1,953,479
6. Step 6: Final answer
   x = 9,128,224.53