Finding the Third Proportional to 54,670 and 118,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,670 : 118,407.50 = 118,407.50 : x
2. Step 2: Convert to fraction form
   54,670/118,407.50 = 118,407.50/x
3. Step 3: Cross multiply
   54,670x = 118,407.50 × 118,407.50
4. Step 4: Simplify right side
   54,670x = 14,020,336,056.25
5. Step 5: Solve for x
   x = 14,020,336,056.25/54,670
6. Step 6: Final answer
   x = 256,453.92