Finding the Third Proportional to 843,376 and 1,340,142

Step by Step Solution

1. Step 1: Write the proportion equation
   843,376 : 1,340,142 = 1,340,142 : x
2. Step 2: Convert to fraction form
   843,376/1,340,142 = 1,340,142/x
3. Step 3: Cross multiply
   843,376x = 1,340,142 × 1,340,142
4. Step 4: Simplify right side
   843,376x = 1,795,980,580,164
5. Step 5: Solve for x
   x = 1,795,980,580,164/843,376
6. Step 6: Final answer
   x = 2,129,513.50