Finding the Third Proportional to 1,161,172 and 1,707,611

Step by Step Solution

1. Step 1: Write the proportion equation
   1,161,172 : 1,707,611 = 1,707,611 : x
2. Step 2: Convert to fraction form
   1,161,172/1,707,611 = 1,707,611/x
3. Step 3: Cross multiply
   1,161,172x = 1,707,611 × 1,707,611
4. Step 4: Simplify right side
   1,161,172x = 2,915,935,327,321
5. Step 5: Solve for x
   x = 2,915,935,327,321/1,161,172
6. Step 6: Final answer
   x = 2,511,200.17