Finding the Third Proportional to 786,253 and 1,178,147

Step by Step Solution

1. Step 1: Write the proportion equation
   786,253 : 1,178,147 = 1,178,147 : x
2. Step 2: Convert to fraction form
   786,253/1,178,147 = 1,178,147/x
3. Step 3: Cross multiply
   786,253x = 1,178,147 × 1,178,147
4. Step 4: Simplify right side
   786,253x = 1,388,030,353,609
5. Step 5: Solve for x
   x = 1,388,030,353,609/786,253
6. Step 6: Final answer
   x = 1,765,373.68