Finding the Third Proportional to 7,951,203 and 12,399,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,951,203 : 12,399,196.50 = 12,399,196.50 : x
2. Step 2: Convert to fraction form
   7,951,203/12,399,196.50 = 12,399,196.50/x
3. Step 3: Cross multiply
   7,951,203x = 12,399,196.50 × 12,399,196.50
4. Step 4: Simplify right side
   7,951,203x = 153,740,073,845,612.25
5. Step 5: Solve for x
   x = 153,740,073,845,612.25/7,951,203
6. Step 6: Final answer
   x = 19,335,448.21