Finding the Third Proportional to 99,030 and 146,361

Step by Step Solution

1. Step 1: Write the proportion equation
   99,030 : 146,361 = 146,361 : x
2. Step 2: Convert to fraction form
   99,030/146,361 = 146,361/x
3. Step 3: Cross multiply
   99,030x = 146,361 × 146,361
4. Step 4: Simplify right side
   99,030x = 21,421,542,321
5. Step 5: Solve for x
   x = 21,421,542,321/99,030
6. Step 6: Final answer
   x = 216,313.67