Finding the Third Proportional to 707,870 and 1,540,156

Step by Step Solution

1. Step 1: Write the proportion equation
   707,870 : 1,540,156 = 1,540,156 : x
2. Step 2: Convert to fraction form
   707,870/1,540,156 = 1,540,156/x
3. Step 3: Cross multiply
   707,870x = 1,540,156 × 1,540,156
4. Step 4: Simplify right side
   707,870x = 2,372,080,504,336
5. Step 5: Solve for x
   x = 2,372,080,504,336/707,870
6. Step 6: Final answer
   x = 3,351,011.49