Finding the Third Proportional to 65,353,347 and 142,204,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,353,347 : 142,204,837.50 = 142,204,837.50 : x
2. Step 2: Convert to fraction form
   65,353,347/142,204,837.50 = 142,204,837.50/x
3. Step 3: Cross multiply
   65,353,347x = 142,204,837.50 × 142,204,837.50
4. Step 4: Simplify right side
   65,353,347x = 20,222,215,808,401,408
5. Step 5: Solve for x
   x = 20,222,215,808,401,408/65,353,347
6. Step 6: Final answer
   x = 309,428,923.49