Finding the Third Proportional to 61,100 and 91,185

Step by Step Solution

1. Step 1: Write the proportion equation
   61,100 : 91,185 = 91,185 : x
2. Step 2: Convert to fraction form
   61,100/91,185 = 91,185/x
3. Step 3: Cross multiply
   61,100x = 91,185 × 91,185
4. Step 4: Simplify right side
   61,100x = 8,314,704,225
5. Step 5: Solve for x
   x = 8,314,704,225/61,100
6. Step 6: Final answer
   x = 136,083.54