Finding the Third Proportional to 20,124,040 and 31,381,799

Step by Step Solution

1. Step 1: Write the proportion equation
   20,124,040 : 31,381,799 = 31,381,799 : x
2. Step 2: Convert to fraction form
   20,124,040/31,381,799 = 31,381,799/x
3. Step 3: Cross multiply
   20,124,040x = 31,381,799 × 31,381,799
4. Step 4: Simplify right side
   20,124,040x = 984,817,308,476,401
5. Step 5: Solve for x
   x = 984,817,308,476,401/20,124,040
6. Step 6: Final answer
   x = 48,937,355.94