Finding the Third Proportional to 67,451,188 and 145,132,595

Step by Step Solution

1. Step 1: Write the proportion equation
   67,451,188 : 145,132,595 = 145,132,595 : x
2. Step 2: Convert to fraction form
   67,451,188/145,132,595 = 145,132,595/x
3. Step 3: Cross multiply
   67,451,188x = 145,132,595 × 145,132,595
4. Step 4: Simplify right side
   67,451,188x = 21,063,470,131,434,024
5. Step 5: Solve for x
   x = 21,063,470,131,434,024/67,451,188
6. Step 6: Final answer
   x = 312,277,229.74