Finding the Third Proportional to 1,243,707 and 2,636,875

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,707 : 2,636,875 = 2,636,875 : x
2. Step 2: Convert to fraction form
   1,243,707/2,636,875 = 2,636,875/x
3. Step 3: Cross multiply
   1,243,707x = 2,636,875 × 2,636,875
4. Step 4: Simplify right side
   1,243,707x = 6,953,109,765,625
5. Step 5: Solve for x
   x = 6,953,109,765,625/1,243,707
6. Step 6: Final answer
   x = 5,590,633.30