Finding the Third Proportional to 117,783 and 245,521.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,783 : 245,521.50 = 245,521.50 : x
2. Step 2: Convert to fraction form
   117,783/245,521.50 = 245,521.50/x
3. Step 3: Cross multiply
   117,783x = 245,521.50 × 245,521.50
4. Step 4: Simplify right side
   117,783x = 60,280,806,962.25
5. Step 5: Solve for x
   x = 60,280,806,962.25/117,783
6. Step 6: Final answer
   x = 511,795.48