Finding the Third Proportional to 31,449,954 and 67,271,997

Step by Step Solution

1. Step 1: Write the proportion equation
   31,449,954 : 67,271,997 = 67,271,997 : x
2. Step 2: Convert to fraction form
   31,449,954/67,271,997 = 67,271,997/x
3. Step 3: Cross multiply
   31,449,954x = 67,271,997 × 67,271,997
4. Step 4: Simplify right side
   31,449,954x = 4,525,521,580,368,009
5. Step 5: Solve for x
   x = 4,525,521,580,368,009/31,449,954
6. Step 6: Final answer
   x = 143,895,968.19