Finding the Third Proportional to 56,152 and 89,488

Step by Step Solution

1. Step 1: Write the proportion equation
   56,152 : 89,488 = 89,488 : x
2. Step 2: Convert to fraction form
   56,152/89,488 = 89,488/x
3. Step 3: Cross multiply
   56,152x = 89,488 × 89,488
4. Step 4: Simplify right side
   56,152x = 8,008,102,144
5. Step 5: Solve for x
   x = 8,008,102,144/56,152
6. Step 6: Final answer
   x = 142,614.73