Finding the Third Proportional to 12,968,018 and 20,342,271

Step by Step Solution

1. Step 1: Write the proportion equation
   12,968,018 : 20,342,271 = 20,342,271 : x
2. Step 2: Convert to fraction form
   12,968,018/20,342,271 = 20,342,271/x
3. Step 3: Cross multiply
   12,968,018x = 20,342,271 × 20,342,271
4. Step 4: Simplify right side
   12,968,018x = 413,807,989,437,441
5. Step 5: Solve for x
   x = 413,807,989,437,441/12,968,018
6. Step 6: Final answer
   x = 31,909,887.03