Finding the Third Proportional to 12,309,012 and 28,493,134

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309,012 : 28,493,134 = 28,493,134 : x
2. Step 2: Convert to fraction form
   12,309,012/28,493,134 = 28,493,134/x
3. Step 3: Cross multiply
   12,309,012x = 28,493,134 × 28,493,134
4. Step 4: Simplify right side
   12,309,012x = 811,858,685,141,956
5. Step 5: Solve for x
   x = 811,858,685,141,956/12,309,012
6. Step 6: Final answer
   x = 65,956,445.99