Finding the Third Proportional to 551,914 and 1,207,148

Step by Step Solution

1. Step 1: Write the proportion equation
   551,914 : 1,207,148 = 1,207,148 : x
2. Step 2: Convert to fraction form
   551,914/1,207,148 = 1,207,148/x
3. Step 3: Cross multiply
   551,914x = 1,207,148 × 1,207,148
4. Step 4: Simplify right side
   551,914x = 1,457,206,293,904
5. Step 5: Solve for x
   x = 1,457,206,293,904/551,914
6. Step 6: Final answer
   x = 2,640,277.82