Finding the Third Proportional to 43,489 and 63,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,489 : 63,697.50 = 63,697.50 : x
2. Step 2: Convert to fraction form
   43,489/63,697.50 = 63,697.50/x
3. Step 3: Cross multiply
   43,489x = 63,697.50 × 63,697.50
4. Step 4: Simplify right side
   43,489x = 4,057,371,506.25
5. Step 5: Solve for x
   x = 4,057,371,506.25/43,489
6. Step 6: Final answer
   x = 93,296.50