Finding the Third Proportional to 3,617,123,932.50 and 7,757,609,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617,123,932.50 : 7,757,609,608.50 = 7,757,609,608.50 : x
2. Step 2: Convert to fraction form
   3,617,123,932.50/7,757,609,608.50 = 7,757,609,608.50/x
3. Step 3: Cross multiply
   3,617,123,932.50x = 7,757,609,608.50 × 7,757,609,608.50
4. Step 4: Simplify right side
   3,617,123,932.50x = 60,180,506,837,891,522,560
5. Step 5: Solve for x
   x = 60,180,506,837,891,522,560/3,617,123,932.50
6. Step 6: Final answer
   x = 16,637,667,926.49