Finding the Third Proportional to 3,781,418 and 5,717,148

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781,418 : 5,717,148 = 5,717,148 : x
2. Step 2: Convert to fraction form
   3,781,418/5,717,148 = 5,717,148/x
3. Step 3: Cross multiply
   3,781,418x = 5,717,148 × 5,717,148
4. Step 4: Simplify right side
   3,781,418x = 32,685,781,253,904
5. Step 5: Solve for x
   x = 32,685,781,253,904/3,781,418
6. Step 6: Final answer
   x = 8,643,789.51