Finding the Third Proportional to 90,738 and 144,130.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,738 : 144,130.50 = 144,130.50 : x
2. Step 2: Convert to fraction form
   90,738/144,130.50 = 144,130.50/x
3. Step 3: Cross multiply
   90,738x = 144,130.50 × 144,130.50
4. Step 4: Simplify right side
   90,738x = 20,773,601,030.25
5. Step 5: Solve for x
   x = 20,773,601,030.25/90,738
6. Step 6: Final answer
   x = 228,940.48