Finding the Third Proportional to 31,364,840 and 67,535,392

Step by Step Solution

1. Step 1: Write the proportion equation
   31,364,840 : 67,535,392 = 67,535,392 : x
2. Step 2: Convert to fraction form
   31,364,840/67,535,392 = 67,535,392/x
3. Step 3: Cross multiply
   31,364,840x = 67,535,392 × 67,535,392
4. Step 4: Simplify right side
   31,364,840x = 4,561,029,172,593,664
5. Step 5: Solve for x
   x = 4,561,029,172,593,664/31,364,840
6. Step 6: Final answer
   x = 145,418,537.85