Finding the Third Proportional to 7,881,369 and 16,978,548

Step by Step Solution

1. Step 1: Write the proportion equation
   7,881,369 : 16,978,548 = 16,978,548 : x
2. Step 2: Convert to fraction form
   7,881,369/16,978,548 = 16,978,548/x
3. Step 3: Cross multiply
   7,881,369x = 16,978,548 × 16,978,548
4. Step 4: Simplify right side
   7,881,369x = 288,271,092,188,304
5. Step 5: Solve for x
   x = 288,271,092,188,304/7,881,369
6. Step 6: Final answer
   x = 36,576,271.48