Finding the Third Proportional to 43,596 and 61,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,596 : 61,390.50 = 61,390.50 : x
2. Step 2: Convert to fraction form
   43,596/61,390.50 = 61,390.50/x
3. Step 3: Cross multiply
   43,596x = 61,390.50 × 61,390.50
4. Step 4: Simplify right side
   43,596x = 3,768,793,490.25
5. Step 5: Solve for x
   x = 3,768,793,490.25/43,596
6. Step 6: Final answer
   x = 86,448.15