Finding the Third Proportional to 56,280 and 118,890

Step by Step Solution

1. Step 1: Write the proportion equation
   56,280 : 118,890 = 118,890 : x
2. Step 2: Convert to fraction form
   56,280/118,890 = 118,890/x
3. Step 3: Cross multiply
   56,280x = 118,890 × 118,890
4. Step 4: Simplify right side
   56,280x = 14,134,832,100
5. Step 5: Solve for x
   x = 14,134,832,100/56,280
6. Step 6: Final answer
   x = 251,151.96