Finding the Third Proportional to 642,882 and 1,400,054

Step by Step Solution

1. Step 1: Write the proportion equation
   642,882 : 1,400,054 = 1,400,054 : x
2. Step 2: Convert to fraction form
   642,882/1,400,054 = 1,400,054/x
3. Step 3: Cross multiply
   642,882x = 1,400,054 × 1,400,054
4. Step 4: Simplify right side
   642,882x = 1,960,151,202,916
5. Step 5: Solve for x
   x = 1,960,151,202,916/642,882
6. Step 6: Final answer
   x = 3,049,006.20