Finding the Third Proportional to 3,781,422 and 5,717,155

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781,422 : 5,717,155 = 5,717,155 : x
2. Step 2: Convert to fraction form
   3,781,422/5,717,155 = 5,717,155/x
3. Step 3: Cross multiply
   3,781,422x = 5,717,155 × 5,717,155
4. Step 4: Simplify right side
   3,781,422x = 32,685,861,294,025
5. Step 5: Solve for x
   x = 32,685,861,294,025/3,781,422
6. Step 6: Final answer
   x = 8,643,801.54