Finding the Third Proportional to 102,991.50 and 146,043

Step by Step Solution

1. Step 1: Write the proportion equation
   102,991.50 : 146,043 = 146,043 : x
2. Step 2: Convert to fraction form
   102,991.50/146,043 = 146,043/x
3. Step 3: Cross multiply
   102,991.50x = 146,043 × 146,043
4. Step 4: Simplify right side
   102,991.50x = 21,328,557,849
5. Step 5: Solve for x
   x = 21,328,557,849/102,991.50
6. Step 6: Final answer
   x = 207,090.47