Finding the Third Proportional to 7,881,375 and 16,978,560

Step by Step Solution

1. Step 1: Write the proportion equation
   7,881,375 : 16,978,560 = 16,978,560 : x
2. Step 2: Convert to fraction form
   7,881,375/16,978,560 = 16,978,560/x
3. Step 3: Cross multiply
   7,881,375x = 16,978,560 × 16,978,560
4. Step 4: Simplify right side
   7,881,375x = 288,271,499,673,600
5. Step 5: Solve for x
   x = 288,271,499,673,600/7,881,375
6. Step 6: Final answer
   x = 36,576,295.34