Finding the Third Proportional to 14,685,408 and 31,811,072

Step by Step Solution

1. Step 1: Write the proportion equation
   14,685,408 : 31,811,072 = 31,811,072 : x
2. Step 2: Convert to fraction form
   14,685,408/31,811,072 = 31,811,072/x
3. Step 3: Cross multiply
   14,685,408x = 31,811,072 × 31,811,072
4. Step 4: Simplify right side
   14,685,408x = 1,011,944,301,789,184
5. Step 5: Solve for x
   x = 1,011,944,301,789,184/14,685,408
6. Step 6: Final answer
   x = 68,908,150.31