Finding the Third Proportional to 30,871.13 and 52,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,871.13 : 52,420.50 = 52,420.50 : x
2. Step 2: Convert to fraction form
   30,871.13/52,420.50 = 52,420.50/x
3. Step 3: Cross multiply
   30,871.13x = 52,420.50 × 52,420.50
4. Step 4: Simplify right side
   30,871.13x = 2,747,908,820.25
5. Step 5: Solve for x
   x = 2,747,908,820.25/30,871.13
6. Step 6: Final answer
   x = 89,012.27