Finding the Third Proportional to 17,901,172 and 27,531,375

Step by Step Solution

1. Step 1: Write the proportion equation
   17,901,172 : 27,531,375 = 27,531,375 : x
2. Step 2: Convert to fraction form
   17,901,172/27,531,375 = 27,531,375/x
3. Step 3: Cross multiply
   17,901,172x = 27,531,375 × 27,531,375
4. Step 4: Simplify right side
   17,901,172x = 757,976,609,390,625
5. Step 5: Solve for x
   x = 757,976,609,390,625/17,901,172
6. Step 6: Final answer
   x = 42,342,289.62