Finding the Third Proportional to 60,839 and 91,011

Step by Step Solution

1. Step 1: Write the proportion equation
   60,839 : 91,011 = 91,011 : x
2. Step 2: Convert to fraction form
   60,839/91,011 = 91,011/x
3. Step 3: Cross multiply
   60,839x = 91,011 × 91,011
4. Step 4: Simplify right side
   60,839x = 8,283,002,121
5. Step 5: Solve for x
   x = 8,283,002,121/60,839
6. Step 6: Final answer
   x = 136,146.26