Finding the Third Proportional to 7,881,371 and 16,978,552

Step by Step Solution

1. Step 1: Write the proportion equation
   7,881,371 : 16,978,552 = 16,978,552 : x
2. Step 2: Convert to fraction form
   7,881,371/16,978,552 = 16,978,552/x
3. Step 3: Cross multiply
   7,881,371x = 16,978,552 × 16,978,552
4. Step 4: Simplify right side
   7,881,371x = 288,271,228,016,704
5. Step 5: Solve for x
   x = 288,271,228,016,704/7,881,371
6. Step 6: Final answer
   x = 36,576,279.43