Finding the Third Proportional to 43,308 and 61,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,308 : 61,345.50 = 61,345.50 : x
2. Step 2: Convert to fraction form
   43,308/61,345.50 = 61,345.50/x
3. Step 3: Cross multiply
   43,308x = 61,345.50 × 61,345.50
4. Step 4: Simplify right side
   43,308x = 3,763,270,370.25
5. Step 5: Solve for x
   x = 3,763,270,370.25/43,308
6. Step 6: Final answer
   x = 86,895.50