Finding the Third Proportional to 67,642,158 and 144,850,248

Step by Step Solution

1. Step 1: Write the proportion equation
   67,642,158 : 144,850,248 = 144,850,248 : x
2. Step 2: Convert to fraction form
   67,642,158/144,850,248 = 144,850,248/x
3. Step 3: Cross multiply
   67,642,158x = 144,850,248 × 144,850,248
4. Step 4: Simplify right side
   67,642,158x = 20,981,594,345,661,504
5. Step 5: Solve for x
   x = 20,981,594,345,661,504/67,642,158
6. Step 6: Final answer
   x = 310,185,170.99