Finding the Third Proportional to 552,223 and 1,207,838

Step by Step Solution

1. Step 1: Write the proportion equation
   552,223 : 1,207,838 = 1,207,838 : x
2. Step 2: Convert to fraction form
   552,223/1,207,838 = 1,207,838/x
3. Step 3: Cross multiply
   552,223x = 1,207,838 × 1,207,838
4. Step 4: Simplify right side
   552,223x = 1,458,872,634,244
5. Step 5: Solve for x
   x = 1,458,872,634,244/552,223
6. Step 6: Final answer
   x = 2,641,817.95