Finding the Third Proportional to 67,404,910 and 145,192,601

Step by Step Solution

1. Step 1: Write the proportion equation
   67,404,910 : 145,192,601 = 145,192,601 : x
2. Step 2: Convert to fraction form
   67,404,910/145,192,601 = 145,192,601/x
3. Step 3: Cross multiply
   67,404,910x = 145,192,601 × 145,192,601
4. Step 4: Simplify right side
   67,404,910x = 21,080,891,385,145,200
5. Step 5: Solve for x
   x = 21,080,891,385,145,200/67,404,910
6. Step 6: Final answer
   x = 312,750,085.79