Finding the Third Proportional to 1,264,588 and 2,248,484

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264,588 : 2,248,484 = 2,248,484 : x
2. Step 2: Convert to fraction form
   1,264,588/2,248,484 = 2,248,484/x
3. Step 3: Cross multiply
   1,264,588x = 2,248,484 × 2,248,484
4. Step 4: Simplify right side
   1,264,588x = 5,055,680,298,256
5. Step 5: Solve for x
   x = 5,055,680,298,256/1,264,588
6. Step 6: Final answer
   x = 3,997,887.29