Finding the Third Proportional to 736,840 and 1,171,686

Step by Step Solution

1. Step 1: Write the proportion equation
   736,840 : 1,171,686 = 1,171,686 : x
2. Step 2: Convert to fraction form
   736,840/1,171,686 = 1,171,686/x
3. Step 3: Cross multiply
   736,840x = 1,171,686 × 1,171,686
4. Step 4: Simplify right side
   736,840x = 1,372,848,082,596
5. Step 5: Solve for x
   x = 1,372,848,082,596/736,840
6. Step 6: Final answer
   x = 1,863,156.29