Finding the Third Proportional to 705,499 and 1,551,456

Step by Step Solution

1. Step 1: Write the proportion equation
   705,499 : 1,551,456 = 1,551,456 : x
2. Step 2: Convert to fraction form
   705,499/1,551,456 = 1,551,456/x
3. Step 3: Cross multiply
   705,499x = 1,551,456 × 1,551,456
4. Step 4: Simplify right side
   705,499x = 2,407,015,719,936
5. Step 5: Solve for x
   x = 2,407,015,719,936/705,499
6. Step 6: Final answer
   x = 3,411,791.82