Finding the Third Proportional to 15,580 and 34,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,580 : 34,015.50 = 34,015.50 : x
2. Step 2: Convert to fraction form
   15,580/34,015.50 = 34,015.50/x
3. Step 3: Cross multiply
   15,580x = 34,015.50 × 34,015.50
4. Step 4: Simplify right side
   15,580x = 1,157,054,240.25
5. Step 5: Solve for x
   x = 1,157,054,240.25/15,580
6. Step 6: Final answer
   x = 74,265.36