Finding the Third Proportional to 140,770,910 and 294,412,558

Step by Step Solution

1. Step 1: Write the proportion equation
   140,770,910 : 294,412,558 = 294,412,558 : x
2. Step 2: Convert to fraction form
   140,770,910/294,412,558 = 294,412,558/x
3. Step 3: Cross multiply
   140,770,910x = 294,412,558 × 294,412,558
4. Step 4: Simplify right side
   140,770,910x = 86,678,754,308,103,360
5. Step 5: Solve for x
   x = 86,678,754,308,103,360/140,770,910
6. Step 6: Final answer
   x = 615,743,368.49