Finding the Third Proportional to 245,397 and 519,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,397 : 519,088.50 = 519,088.50 : x
2. Step 2: Convert to fraction form
   245,397/519,088.50 = 519,088.50/x
3. Step 3: Cross multiply
   245,397x = 519,088.50 × 519,088.50
4. Step 4: Simplify right side
   245,397x = 269,452,870,832.25
5. Step 5: Solve for x
   x = 269,452,870,832.25/245,397
6. Step 6: Final answer
   x = 1,098,028.38