Finding the Third Proportional to 16,390,645,142 and 35,267,233,420

Step by Step Solution

1. Step 1: Write the proportion equation
   16,390,645,142 : 35,267,233,420 = 35,267,233,420 : x
2. Step 2: Convert to fraction form
   16,390,645,142/35,267,233,420 = 35,267,233,420/x
3. Step 3: Cross multiply
   16,390,645,142x = 35,267,233,420 × 35,267,233,420
4. Step 4: Simplify right side
   16,390,645,142x = 1,243,777,753,100,764,839,936
5. Step 5: Solve for x
   x = 1,243,777,753,100,764,839,936/16,390,645,142
6. Step 6: Final answer
   x = 75,883,392,162.13