Finding the Third Proportional to 9,218,303 and 13,279,326

Step by Step Solution

1. Step 1: Write the proportion equation
   9,218,303 : 13,279,326 = 13,279,326 : x
2. Step 2: Convert to fraction form
   9,218,303/13,279,326 = 13,279,326/x
3. Step 3: Cross multiply
   9,218,303x = 13,279,326 × 13,279,326
4. Step 4: Simplify right side
   9,218,303x = 176,340,499,014,276
5. Step 5: Solve for x
   x = 176,340,499,014,276/9,218,303
6. Step 6: Final answer
   x = 19,129,388.46