Finding the Third Proportional to 118,945 and 161,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,945 : 161,461.50 = 161,461.50 : x
2. Step 2: Convert to fraction form
   118,945/161,461.50 = 161,461.50/x
3. Step 3: Cross multiply
   118,945x = 161,461.50 × 161,461.50
4. Step 4: Simplify right side
   118,945x = 26,069,815,982.25
5. Step 5: Solve for x
   x = 26,069,815,982.25/118,945
6. Step 6: Final answer
   x = 219,175.38