Finding the Third Proportional to 12,308,951 and 28,492,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308,951 : 28,492,993.50 = 28,492,993.50 : x
2. Step 2: Convert to fraction form
   12,308,951/28,492,993.50 = 28,492,993.50/x
3. Step 3: Cross multiply
   12,308,951x = 28,492,993.50 × 28,492,993.50
4. Step 4: Simplify right side
   12,308,951x = 811,850,678,591,042.25
5. Step 5: Solve for x
   x = 811,850,678,591,042.25/12,308,951
6. Step 6: Final answer
   x = 65,956,122.39