Finding the Third Proportional to 67,451,196 and 145,132,610

Step by Step Solution

1. Step 1: Write the proportion equation
   67,451,196 : 145,132,610 = 145,132,610 : x
2. Step 2: Convert to fraction form
   67,451,196/145,132,610 = 145,132,610/x
3. Step 3: Cross multiply
   67,451,196x = 145,132,610 × 145,132,610
4. Step 4: Simplify right side
   67,451,196x = 21,063,474,485,412,100
5. Step 5: Solve for x
   x = 21,063,474,485,412,100/67,451,196
6. Step 6: Final answer
   x = 312,277,257.25