Finding the Third Proportional to 786,281 and 1,178,188

Step by Step Solution

1. Step 1: Write the proportion equation
   786,281 : 1,178,188 = 1,178,188 : x
2. Step 2: Convert to fraction form
   786,281/1,178,188 = 1,178,188/x
3. Step 3: Cross multiply
   786,281x = 1,178,188 × 1,178,188
4. Step 4: Simplify right side
   786,281x = 1,388,126,963,344
5. Step 5: Solve for x
   x = 1,388,126,963,344/786,281
6. Step 6: Final answer
   x = 1,765,433.69