Finding the Third Proportional to 12,309,045 and 28,493,240

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309,045 : 28,493,240 = 28,493,240 : x
2. Step 2: Convert to fraction form
   12,309,045/28,493,240 = 28,493,240/x
3. Step 3: Cross multiply
   12,309,045x = 28,493,240 × 28,493,240
4. Step 4: Simplify right side
   12,309,045x = 811,864,725,697,600
5. Step 5: Solve for x
   x = 811,864,725,697,600/12,309,045
6. Step 6: Final answer
   x = 65,956,759.90