Finding the Third Proportional to 8,234,460 and 18,144,216

Step by Step Solution

1. Step 1: Write the proportion equation
   8,234,460 : 18,144,216 = 18,144,216 : x
2. Step 2: Convert to fraction form
   8,234,460/18,144,216 = 18,144,216/x
3. Step 3: Cross multiply
   8,234,460x = 18,144,216 × 18,144,216
4. Step 4: Simplify right side
   8,234,460x = 329,212,574,254,656
5. Step 5: Solve for x
   x = 329,212,574,254,656/8,234,460
6. Step 6: Final answer
   x = 39,979,861.98