Finding the Third Proportional to 12,309,016 and 28,493,144

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309,016 : 28,493,144 = 28,493,144 : x
2. Step 2: Convert to fraction form
   12,309,016/28,493,144 = 28,493,144/x
3. Step 3: Cross multiply
   12,309,016x = 28,493,144 × 28,493,144
4. Step 4: Simplify right side
   12,309,016x = 811,859,255,004,736
5. Step 5: Solve for x
   x = 811,859,255,004,736/12,309,016
6. Step 6: Final answer
   x = 65,956,470.85