Finding the Third Proportional to 1,299,815 and 2,805,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299,815 : 2,805,148 = 2,805,148 : x
2. Step 2: Convert to fraction form
   1,299,815/2,805,148 = 2,805,148/x
3. Step 3: Cross multiply
   1,299,815x = 2,805,148 × 2,805,148
4. Step 4: Simplify right side
   1,299,815x = 7,868,855,301,904
5. Step 5: Solve for x
   x = 7,868,855,301,904/1,299,815
6. Step 6: Final answer
   x = 6,053,827.12