Finding the Third Proportional to 14,685,624 and 31,811,981

Step by Step Solution

1. Step 1: Write the proportion equation
   14,685,624 : 31,811,981 = 31,811,981 : x
2. Step 2: Convert to fraction form
   14,685,624/31,811,981 = 31,811,981/x
3. Step 3: Cross multiply
   14,685,624x = 31,811,981 × 31,811,981
4. Step 4: Simplify right side
   14,685,624x = 1,012,002,135,144,361
5. Step 5: Solve for x
   x = 1,012,002,135,144,361/14,685,624
6. Step 6: Final answer
   x = 68,911,074.88