Finding the Third Proportional to 678,231,486 and 1,469,164,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   678,231,486 : 1,469,164,045.50 = 1,469,164,045.50 : x
2. Step 2: Convert to fraction form
   678,231,486/1,469,164,045.50 = 1,469,164,045.50/x
3. Step 3: Cross multiply
   678,231,486x = 1,469,164,045.50 × 1,469,164,045.50
4. Step 4: Simplify right side
   678,231,486x = 2,158,442,992,589,926,144
5. Step 5: Solve for x
   x = 2,158,442,992,589,926,144/678,231,486
6. Step 6: Final answer
   x = 3,182,457,666.95