Finding the Third Proportional to 23,400 and 43,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,400 : 43,420.50 = 43,420.50 : x
2. Step 2: Convert to fraction form
   23,400/43,420.50 = 43,420.50/x
3. Step 3: Cross multiply
   23,400x = 43,420.50 × 43,420.50
4. Step 4: Simplify right side
   23,400x = 1,885,339,820.25
5. Step 5: Solve for x
   x = 1,885,339,820.25/23,400
6. Step 6: Final answer
   x = 80,570.08