Finding the Third Proportional to 54,689.63 and 89,301.94

Step by Step Solution

1. Step 1: Write the proportion equation
   54,689.63 : 89,301.94 = 89,301.94 : x
2. Step 2: Convert to fraction form
   54,689.63/89,301.94 = 89,301.94/x
3. Step 3: Cross multiply
   54,689.63x = 89,301.94 × 89,301.94
4. Step 4: Simplify right side
   54,689.63x = 7,974,836,041.25
5. Step 5: Solve for x
   x = 7,974,836,041.25/54,689.63
6. Step 6: Final answer
   x = 145,819.91