Finding the Third Proportional to 8,081,316 and 12,546,945

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081,316 : 12,546,945 = 12,546,945 : x
2. Step 2: Convert to fraction form
   8,081,316/12,546,945 = 12,546,945/x
3. Step 3: Cross multiply
   8,081,316x = 12,546,945 × 12,546,945
4. Step 4: Simplify right side
   8,081,316x = 157,425,828,833,025
5. Step 5: Solve for x
   x = 157,425,828,833,025/8,081,316
6. Step 6: Final answer
   x = 19,480,221.89