Finding the Third Proportional to 56,317.50 and 78,735.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,317.50 : 78,735.38 = 78,735.38 : x
2. Step 2: Convert to fraction form
   56,317.50/78,735.38 = 78,735.38/x
3. Step 3: Cross multiply
   56,317.50x = 78,735.38 × 78,735.38
4. Step 4: Simplify right side
   56,317.50x = 6,199,259,276.39
5. Step 5: Solve for x
   x = 6,199,259,276.39/56,317.50
6. Step 6: Final answer
   x = 110,076.96