Finding the Third Proportional to 67,061,312 and 146,676,544

Step by Step Solution

1. Step 1: Write the proportion equation
   67,061,312 : 146,676,544 = 146,676,544 : x
2. Step 2: Convert to fraction form
   67,061,312/146,676,544 = 146,676,544/x
3. Step 3: Cross multiply
   67,061,312x = 146,676,544 × 146,676,544
4. Step 4: Simplify right side
   67,061,312x = 21,514,008,559,783,936
5. Step 5: Solve for x
   x = 21,514,008,559,783,936/67,061,312
6. Step 6: Final answer
   x = 320,811,029.76