Finding the Third Proportional to 58,288 and 90,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,288 : 90,003.50 = 90,003.50 : x
2. Step 2: Convert to fraction form
   58,288/90,003.50 = 90,003.50/x
3. Step 3: Cross multiply
   58,288x = 90,003.50 × 90,003.50
4. Step 4: Simplify right side
   58,288x = 8,100,630,012.25
5. Step 5: Solve for x
   x = 8,100,630,012.25/58,288
6. Step 6: Final answer
   x = 138,975.95