Finding the Third Proportional to 99,503 and 146,298

Step by Step Solution

1. Step 1: Write the proportion equation
   99,503 : 146,298 = 146,298 : x
2. Step 2: Convert to fraction form
   99,503/146,298 = 146,298/x
3. Step 3: Cross multiply
   99,503x = 146,298 × 146,298
4. Step 4: Simplify right side
   99,503x = 21,403,104,804
5. Step 5: Solve for x
   x = 21,403,104,804/99,503
6. Step 6: Final answer
   x = 215,100.10