Finding the Third Proportional to 661,570 and 1,449,229

Step by Step Solution

1. Step 1: Write the proportion equation
   661,570 : 1,449,229 = 1,449,229 : x
2. Step 2: Convert to fraction form
   661,570/1,449,229 = 1,449,229/x
3. Step 3: Cross multiply
   661,570x = 1,449,229 × 1,449,229
4. Step 4: Simplify right side
   661,570x = 2,100,264,694,441
5. Step 5: Solve for x
   x = 2,100,264,694,441/661,570
6. Step 6: Final answer
   x = 3,174,667.37