Finding the Third Proportional to 64,685,408 and 141,524,800

Step by Step Solution

1. Step 1: Write the proportion equation
   64,685,408 : 141,524,800 = 141,524,800 : x
2. Step 2: Convert to fraction form
   64,685,408/141,524,800 = 141,524,800/x
3. Step 3: Cross multiply
   64,685,408x = 141,524,800 × 141,524,800
4. Step 4: Simplify right side
   64,685,408x = 20,029,269,015,040,000
5. Step 5: Solve for x
   x = 20,029,269,015,040,000/64,685,408
6. Step 6: Final answer
   x = 309,641,225.65