Finding the Third Proportional to 3,865,224 and 8,198,160

Step by Step Solution

1. Step 1: Write the proportion equation
   3,865,224 : 8,198,160 = 8,198,160 : x
2. Step 2: Convert to fraction form
   3,865,224/8,198,160 = 8,198,160/x
3. Step 3: Cross multiply
   3,865,224x = 8,198,160 × 8,198,160
4. Step 4: Simplify right side
   3,865,224x = 67,209,827,385,600
5. Step 5: Solve for x
   x = 67,209,827,385,600/3,865,224
6. Step 6: Final answer
   x = 17,388,339.56