Finding the Third Proportional to 19,860 and 29,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,860 : 29,518.50 = 29,518.50 : x
2. Step 2: Convert to fraction form
   19,860/29,518.50 = 29,518.50/x
3. Step 3: Cross multiply
   19,860x = 29,518.50 × 29,518.50
4. Step 4: Simplify right side
   19,860x = 871,341,842.25
5. Step 5: Solve for x
   x = 871,341,842.25/19,860
6. Step 6: Final answer
   x = 43,874.21