Finding the Third Proportional to 14,217,996 and 31,216,128

Step by Step Solution

1. Step 1: Write the proportion equation
   14,217,996 : 31,216,128 = 31,216,128 : x
2. Step 2: Convert to fraction form
   14,217,996/31,216,128 = 31,216,128/x
3. Step 3: Cross multiply
   14,217,996x = 31,216,128 × 31,216,128
4. Step 4: Simplify right side
   14,217,996x = 974,446,647,312,384
5. Step 5: Solve for x
   x = 974,446,647,312,384/14,217,996
6. Step 6: Final answer
   x = 68,536,145.83