Finding the Third Proportional to 1,753,407 and 3,777,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753,407 : 3,777,678 = 3,777,678 : x
2. Step 2: Convert to fraction form
   1,753,407/3,777,678 = 3,777,678/x
3. Step 3: Cross multiply
   1,753,407x = 3,777,678 × 3,777,678
4. Step 4: Simplify right side
   1,753,407x = 14,270,851,071,684
5. Step 5: Solve for x
   x = 14,270,851,071,684/1,753,407
6. Step 6: Final answer
   x = 8,138,926.71