Finding the Third Proportional to 7,880,915 and 17,019,238

Step by Step Solution

1. Step 1: Write the proportion equation
   7,880,915 : 17,019,238 = 17,019,238 : x
2. Step 2: Convert to fraction form
   7,880,915/17,019,238 = 17,019,238/x
3. Step 3: Cross multiply
   7,880,915x = 17,019,238 × 17,019,238
4. Step 4: Simplify right side
   7,880,915x = 289,654,462,100,644
5. Step 5: Solve for x
   x = 289,654,462,100,644/7,880,915
6. Step 6: Final answer
   x = 36,753,912.72