Finding the Third Proportional to 56,788.50 and 89,096.63

Step by Step Solution

1. Step 1: Write the proportion equation
   56,788.50 : 89,096.63 = 89,096.63 : x
2. Step 2: Convert to fraction form
   56,788.50/89,096.63 = 89,096.63/x
3. Step 3: Cross multiply
   56,788.50x = 89,096.63 × 89,096.63
4. Step 4: Simplify right side
   56,788.50x = 7,938,208,586.39
5. Step 5: Solve for x
   x = 7,938,208,586.39/56,788.50
6. Step 6: Final answer
   x = 139,785.50