Finding the Third Proportional to 9,218,196 and 13,279,122

Step by Step Solution

1. Step 1: Write the proportion equation
   9,218,196 : 13,279,122 = 13,279,122 : x
2. Step 2: Convert to fraction form
   9,218,196/13,279,122 = 13,279,122/x
3. Step 3: Cross multiply
   9,218,196x = 13,279,122 × 13,279,122
4. Step 4: Simplify right side
   9,218,196x = 176,335,081,090,884
5. Step 5: Solve for x
   x = 176,335,081,090,884/9,218,196
6. Step 6: Final answer
   x = 19,129,022.76