Finding the Third Proportional to 90,036 and 145,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,036 : 145,030.50 = 145,030.50 : x
2. Step 2: Convert to fraction form
   90,036/145,030.50 = 145,030.50/x
3. Step 3: Cross multiply
   90,036x = 145,030.50 × 145,030.50
4. Step 4: Simplify right side
   90,036x = 21,033,845,930.25
5. Step 5: Solve for x
   x = 21,033,845,930.25/90,036
6. Step 6: Final answer
   x = 233,615.95