Finding the Third Proportional to 56,404 and 89,248

Step by Step Solution

1. Step 1: Write the proportion equation
   56,404 : 89,248 = 89,248 : x
2. Step 2: Convert to fraction form
   56,404/89,248 = 89,248/x
3. Step 3: Cross multiply
   56,404x = 89,248 × 89,248
4. Step 4: Simplify right side
   56,404x = 7,965,205,504
5. Step 5: Solve for x
   x = 7,965,205,504/56,404
6. Step 6: Final answer
   x = 141,217.03