Finding the Third Proportional to 14,685,378 and 31,811,012

Step by Step Solution

1. Step 1: Write the proportion equation
   14,685,378 : 31,811,012 = 31,811,012 : x
2. Step 2: Convert to fraction form
   14,685,378/31,811,012 = 31,811,012/x
3. Step 3: Cross multiply
   14,685,378x = 31,811,012 × 31,811,012
4. Step 4: Simplify right side
   14,685,378x = 1,011,940,484,464,144
5. Step 5: Solve for x
   x = 1,011,940,484,464,144/14,685,378
6. Step 6: Final answer
   x = 68,908,031.14