Finding the Third Proportional to 1,423,131 and 2,201,198

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,131 : 2,201,198 = 2,201,198 : x
2. Step 2: Convert to fraction form
   1,423,131/2,201,198 = 2,201,198/x
3. Step 3: Cross multiply
   1,423,131x = 2,201,198 × 2,201,198
4. Step 4: Simplify right side
   1,423,131x = 4,845,272,635,204
5. Step 5: Solve for x
   x = 4,845,272,635,204/1,423,131
6. Step 6: Final answer
   x = 3,404,656.80