Finding the Third Proportional to 31,049,044,192 and 67,538,201,960

Step by Step Solution

1. Step 1: Write the proportion equation
   31,049,044,192 : 67,538,201,960 = 67,538,201,960 : x
2. Step 2: Convert to fraction form
   31,049,044,192/67,538,201,960 = 67,538,201,960/x
3. Step 3: Cross multiply
   31,049,044,192x = 67,538,201,960 × 67,538,201,960
4. Step 4: Simplify right side
   31,049,044,192x = 4,561,408,723,989,747,990,528
5. Step 5: Solve for x
   x = 4,561,408,723,989,747,990,528/31,049,044,192
6. Step 6: Final answer
   x = 146,909,795,218.92