Finding the Third Proportional to 56,671.50 and 117,438

Step by Step Solution

1. Step 1: Write the proportion equation
   56,671.50 : 117,438 = 117,438 : x
2. Step 2: Convert to fraction form
   56,671.50/117,438 = 117,438/x
3. Step 3: Cross multiply
   56,671.50x = 117,438 × 117,438
4. Step 4: Simplify right side
   56,671.50x = 13,791,683,844
5. Step 5: Solve for x
   x = 13,791,683,844/56,671.50
6. Step 6: Final answer
   x = 243,361.90