Finding the Third Proportional to 305,929.50 and 492,516

Step by Step Solution

1. Step 1: Write the proportion equation
   305,929.50 : 492,516 = 492,516 : x
2. Step 2: Convert to fraction form
   305,929.50/492,516 = 492,516/x
3. Step 3: Cross multiply
   305,929.50x = 492,516 × 492,516
4. Step 4: Simplify right side
   305,929.50x = 242,572,010,256
5. Step 5: Solve for x
   x = 242,572,010,256/305,929.50
6. Step 6: Final answer
   x = 792,901.67