Finding the Third Proportional to 647,342 and 1,436,166

Step by Step Solution

1. Step 1: Write the proportion equation
   647,342 : 1,436,166 = 1,436,166 : x
2. Step 2: Convert to fraction form
   647,342/1,436,166 = 1,436,166/x
3. Step 3: Cross multiply
   647,342x = 1,436,166 × 1,436,166
4. Step 4: Simplify right side
   647,342x = 2,062,572,779,556
5. Step 5: Solve for x
   x = 2,062,572,779,556/647,342
6. Step 6: Final answer
   x = 3,186,218.07