Finding the Third Proportional to 61,689.94 and 92,989.69

Step by Step Solution

1. Step 1: Write the proportion equation
   61,689.94 : 92,989.69 = 92,989.69 : x
2. Step 2: Convert to fraction form
   61,689.94/92,989.69 = 92,989.69/x
3. Step 3: Cross multiply
   61,689.94x = 92,989.69 × 92,989.69
4. Step 4: Simplify right side
   61,689.94x = 8,647,081,981.35
5. Step 5: Solve for x
   x = 8,647,081,981.35/61,689.94
6. Step 6: Final answer
   x = 140,170.06