Finding the Third Proportional to 78,763 and 126,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,763 : 126,345.50 = 126,345.50 : x
2. Step 2: Convert to fraction form
   78,763/126,345.50 = 126,345.50/x
3. Step 3: Cross multiply
   78,763x = 126,345.50 × 126,345.50
4. Step 4: Simplify right side
   78,763x = 15,963,185,370.25
5. Step 5: Solve for x
   x = 15,963,185,370.25/78,763
6. Step 6: Final answer
   x = 202,673.66