Finding the Third Proportional to 5,018,438 and 10,684,228

Step by Step Solution

1. Step 1: Write the proportion equation
   5,018,438 : 10,684,228 = 10,684,228 : x
2. Step 2: Convert to fraction form
   5,018,438/10,684,228 = 10,684,228/x
3. Step 3: Cross multiply
   5,018,438x = 10,684,228 × 10,684,228
4. Step 4: Simplify right side
   5,018,438x = 114,152,727,955,984
5. Step 5: Solve for x
   x = 114,152,727,955,984/5,018,438
6. Step 6: Final answer
   x = 22,746,664.99