Finding the Third Proportional to 56,968.31 and 88,431.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,968.31 : 88,431.75 = 88,431.75 : x
2. Step 2: Convert to fraction form
   56,968.31/88,431.75 = 88,431.75/x
3. Step 3: Cross multiply
   56,968.31x = 88,431.75 × 88,431.75
4. Step 4: Simplify right side
   56,968.31x = 7,820,174,408.06
5. Step 5: Solve for x
   x = 7,820,174,408.06/56,968.31
6. Step 6: Final answer
   x = 137,272.35