Finding the Third Proportional to 60,906 and 91,111

Step by Step Solution

1. Step 1: Write the proportion equation
   60,906 : 91,111 = 91,111 : x
2. Step 2: Convert to fraction form
   60,906/91,111 = 91,111/x
3. Step 3: Cross multiply
   60,906x = 91,111 × 91,111
4. Step 4: Simplify right side
   60,906x = 8,301,214,321
5. Step 5: Solve for x
   x = 8,301,214,321/60,906
6. Step 6: Final answer
   x = 136,295.51