Finding the Third Proportional to 56,606 and 89,560

Step by Step Solution

1. Step 1: Write the proportion equation
   56,606 : 89,560 = 89,560 : x
2. Step 2: Convert to fraction form
   56,606/89,560 = 89,560/x
3. Step 3: Cross multiply
   56,606x = 89,560 × 89,560
4. Step 4: Simplify right side
   56,606x = 8,020,993,600
5. Step 5: Solve for x
   x = 8,020,993,600/56,606
6. Step 6: Final answer
   x = 141,698.65