Finding the Third Proportional to 407,124 and 598,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,124 : 598,522.50 = 598,522.50 : x
2. Step 2: Convert to fraction form
   407,124/598,522.50 = 598,522.50/x
3. Step 3: Cross multiply
   407,124x = 598,522.50 × 598,522.50
4. Step 4: Simplify right side
   407,124x = 358,229,183,006.25
5. Step 5: Solve for x
   x = 358,229,183,006.25/407,124
6. Step 6: Final answer
   x = 879,901.90