Finding the Third Proportional to 56,633.25 and 89,971.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,633.25 : 89,971.88 = 89,971.88 : x
2. Step 2: Convert to fraction form
   56,633.25/89,971.88 = 89,971.88/x
3. Step 3: Cross multiply
   56,633.25x = 89,971.88 × 89,971.88
4. Step 4: Simplify right side
   56,633.25x = 8,094,938,291.02
5. Step 5: Solve for x
   x = 8,094,938,291.02/56,633.25
6. Step 6: Final answer
   x = 142,936.14