Finding the Third Proportional to 14,469,840 and 31,455,648

Step by Step Solution

1. Step 1: Write the proportion equation
   14,469,840 : 31,455,648 = 31,455,648 : x
2. Step 2: Convert to fraction form
   14,469,840/31,455,648 = 31,455,648/x
3. Step 3: Cross multiply
   14,469,840x = 31,455,648 × 31,455,648
4. Step 4: Simplify right side
   14,469,840x = 989,457,791,099,904
5. Step 5: Solve for x
   x = 989,457,791,099,904/14,469,840
6. Step 6: Final answer
   x = 68,380,700.21