Finding the Third Proportional to 146,991.75 and 207,003

Step by Step Solution

1. Step 1: Write the proportion equation
   146,991.75 : 207,003 = 207,003 : x
2. Step 2: Convert to fraction form
   146,991.75/207,003 = 207,003/x
3. Step 3: Cross multiply
   146,991.75x = 207,003 × 207,003
4. Step 4: Simplify right side
   146,991.75x = 42,850,242,009
5. Step 5: Solve for x
   x = 42,850,242,009/146,991.75
6. Step 6: Final answer
   x = 291,514.61