Finding the Third Proportional to 56,672.50 and 117,440

Step by Step Solution

1. Step 1: Write the proportion equation
   56,672.50 : 117,440 = 117,440 : x
2. Step 2: Convert to fraction form
   56,672.50/117,440 = 117,440/x
3. Step 3: Cross multiply
   56,672.50x = 117,440 × 117,440
4. Step 4: Simplify right side
   56,672.50x = 13,792,153,600
5. Step 5: Solve for x
   x = 13,792,153,600/56,672.50
6. Step 6: Final answer
   x = 243,365.89