Finding the Third Proportional to 1,403,234 and 2,259,886

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,234 : 2,259,886 = 2,259,886 : x
2. Step 2: Convert to fraction form
   1,403,234/2,259,886 = 2,259,886/x
3. Step 3: Cross multiply
   1,403,234x = 2,259,886 × 2,259,886
4. Step 4: Simplify right side
   1,403,234x = 5,107,084,732,996
5. Step 5: Solve for x
   x = 5,107,084,732,996/1,403,234
6. Step 6: Final answer
   x = 3,639,510.40