Finding the Third Proportional to 118,435.50 and 153,657

Step by Step Solution

1. Step 1: Write the proportion equation
   118,435.50 : 153,657 = 153,657 : x
2. Step 2: Convert to fraction form
   118,435.50/153,657 = 153,657/x
3. Step 3: Cross multiply
   118,435.50x = 153,657 × 153,657
4. Step 4: Simplify right side
   118,435.50x = 23,610,473,649
5. Step 5: Solve for x
   x = 23,610,473,649/118,435.50
6. Step 6: Final answer
   x = 199,353.01