Finding the Third Proportional to 59,513,481 and 128,958,401

Step by Step Solution

1. Step 1: Write the proportion equation
   59,513,481 : 128,958,401 = 128,958,401 : x
2. Step 2: Convert to fraction form
   59,513,481/128,958,401 = 128,958,401/x
3. Step 3: Cross multiply
   59,513,481x = 128,958,401 × 128,958,401
4. Step 4: Simplify right side
   59,513,481x = 16,630,269,188,476,800
5. Step 5: Solve for x
   x = 16,630,269,188,476,800/59,513,481
6. Step 6: Final answer
   x = 279,437,010.05