Finding the Third Proportional to 159,030 and 243,641.25

Step by Step Solution

1. Step 1: Write the proportion equation
   159,030 : 243,641.25 = 243,641.25 : x
2. Step 2: Convert to fraction form
   159,030/243,641.25 = 243,641.25/x
3. Step 3: Cross multiply
   159,030x = 243,641.25 × 243,641.25
4. Step 4: Simplify right side
   159,030x = 59,361,058,701.56
5. Step 5: Solve for x
   x = 59,361,058,701.56/159,030
6. Step 6: Final answer
   x = 373,269.56