Finding the Third Proportional to 3,867,320 and 8,294,224

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,320 : 8,294,224 = 8,294,224 : x
2. Step 2: Convert to fraction form
   3,867,320/8,294,224 = 8,294,224/x
3. Step 3: Cross multiply
   3,867,320x = 8,294,224 × 8,294,224
4. Step 4: Simplify right side
   3,867,320x = 68,794,151,762,176
5. Step 5: Solve for x
   x = 68,794,151,762,176/3,867,320
6. Step 6: Final answer
   x = 17,788,585.32