Finding the Third Proportional to 59,011 and 90,237

Step by Step Solution

1. Step 1: Write the proportion equation
   59,011 : 90,237 = 90,237 : x
2. Step 2: Convert to fraction form
   59,011/90,237 = 90,237/x
3. Step 3: Cross multiply
   59,011x = 90,237 × 90,237
4. Step 4: Simplify right side
   59,011x = 8,142,716,169
5. Step 5: Solve for x
   x = 8,142,716,169/59,011
6. Step 6: Final answer
   x = 137,986.41