Finding the Third Proportional to 8,773,172 and 13,086,726

Step by Step Solution

1. Step 1: Write the proportion equation
   8,773,172 : 13,086,726 = 13,086,726 : x
2. Step 2: Convert to fraction form
   8,773,172/13,086,726 = 13,086,726/x
3. Step 3: Cross multiply
   8,773,172x = 13,086,726 × 13,086,726
4. Step 4: Simplify right side
   8,773,172x = 171,262,397,399,076
5. Step 5: Solve for x
   x = 171,262,397,399,076/8,773,172
6. Step 6: Final answer
   x = 19,521,148.95