Finding the Third Proportional to 31,519,648 and 69,017,936

Step by Step Solution

1. Step 1: Write the proportion equation
   31,519,648 : 69,017,936 = 69,017,936 : x
2. Step 2: Convert to fraction form
   31,519,648/69,017,936 = 69,017,936/x
3. Step 3: Cross multiply
   31,519,648x = 69,017,936 × 69,017,936
4. Step 4: Simplify right side
   31,519,648x = 4,763,475,489,700,096
5. Step 5: Solve for x
   x = 4,763,475,489,700,096/31,519,648
6. Step 6: Final answer
   x = 151,127,179.14