Finding the Third Proportional to 786,280 and 1,178,186

Step by Step Solution

1. Step 1: Write the proportion equation
   786,280 : 1,178,186 = 1,178,186 : x
2. Step 2: Convert to fraction form
   786,280/1,178,186 = 1,178,186/x
3. Step 3: Cross multiply
   786,280x = 1,178,186 × 1,178,186
4. Step 4: Simplify right side
   786,280x = 1,388,122,250,596
5. Step 5: Solve for x
   x = 1,388,122,250,596/786,280
6. Step 6: Final answer
   x = 1,765,429.94