Finding the Third Proportional to 212,437.50 and 462,339

Step by Step Solution

1. Step 1: Write the proportion equation
   212,437.50 : 462,339 = 462,339 : x
2. Step 2: Convert to fraction form
   212,437.50/462,339 = 462,339/x
3. Step 3: Cross multiply
   212,437.50x = 462,339 × 462,339
4. Step 4: Simplify right side
   212,437.50x = 213,757,350,921
5. Step 5: Solve for x
   x = 213,757,350,921/212,437.50
6. Step 6: Final answer
   x = 1,006,212.89