Finding the Third Proportional to 58,947 and 128,888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,947 : 128,888.50 = 128,888.50 : x
2. Step 2: Convert to fraction form
   58,947/128,888.50 = 128,888.50/x
3. Step 3: Cross multiply
   58,947x = 128,888.50 × 128,888.50
4. Step 4: Simplify right side
   58,947x = 16,612,245,432.25
5. Step 5: Solve for x
   x = 16,612,245,432.25/58,947
6. Step 6: Final answer
   x = 281,816.64