Finding the Third Proportional to 598,405 and 874,462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   598,405 : 874,462.50 = 874,462.50 : x
2. Step 2: Convert to fraction form
   598,405/874,462.50 = 874,462.50/x
3. Step 3: Cross multiply
   598,405x = 874,462.50 × 874,462.50
4. Step 4: Simplify right side
   598,405x = 764,684,663,906.25
5. Step 5: Solve for x
   x = 764,684,663,906.25/598,405
6. Step 6: Final answer
   x = 1,277,871.45