Finding the Third Proportional to 34,980.50 and 55,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,980.50 : 55,479.50 = 55,479.50 : x
2. Step 2: Convert to fraction form
   34,980.50/55,479.50 = 55,479.50/x
3. Step 3: Cross multiply
   34,980.50x = 55,479.50 × 55,479.50
4. Step 4: Simplify right side
   34,980.50x = 3,077,974,920.25
5. Step 5: Solve for x
   x = 3,077,974,920.25/34,980.50
6. Step 6: Final answer
   x = 87,991.16