Finding the Third Proportional to 12,309,014 and 28,493,139

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309,014 : 28,493,139 = 28,493,139 : x
2. Step 2: Convert to fraction form
   12,309,014/28,493,139 = 28,493,139/x
3. Step 3: Cross multiply
   12,309,014x = 28,493,139 × 28,493,139
4. Step 4: Simplify right side
   12,309,014x = 811,858,970,073,321
5. Step 5: Solve for x
   x = 811,858,970,073,321/12,309,014
6. Step 6: Final answer
   x = 65,956,458.42