Finding the Third Proportional to 10,913,695 and 18,188,398

Step by Step Solution

1. Step 1: Write the proportion equation
   10,913,695 : 18,188,398 = 18,188,398 : x
2. Step 2: Convert to fraction form
   10,913,695/18,188,398 = 18,188,398/x
3. Step 3: Cross multiply
   10,913,695x = 18,188,398 × 18,188,398
4. Step 4: Simplify right side
   10,913,695x = 330,817,821,806,404
5. Step 5: Solve for x
   x = 330,817,821,806,404/10,913,695
6. Step 6: Final answer
   x = 30,312,174.00