Finding the Third Proportional to 99,030.25 and 146,361.38

Step by Step Solution

1. Step 1: Write the proportion equation
   99,030.25 : 146,361.38 = 146,361.38 : x
2. Step 2: Convert to fraction form
   99,030.25/146,361.38 = 146,361.38/x
3. Step 3: Cross multiply
   99,030.25x = 146,361.38 × 146,361.38
4. Step 4: Simplify right side
   99,030.25x = 21,421,652,091.89
5. Step 5: Solve for x
   x = 21,421,652,091.89/99,030.25
6. Step 6: Final answer
   x = 216,314.23