Finding the Third Proportional to 51,478.50 and 112,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,478.50 : 112,798.50 = 112,798.50 : x
2. Step 2: Convert to fraction form
   51,478.50/112,798.50 = 112,798.50/x
3. Step 3: Cross multiply
   51,478.50x = 112,798.50 × 112,798.50
4. Step 4: Simplify right side
   51,478.50x = 12,723,501,602.25
5. Step 5: Solve for x
   x = 12,723,501,602.25/51,478.50
6. Step 6: Final answer
   x = 247,161.47