Finding the Third Proportional to 39,583.69 and 86,432.06

Step by Step Solution

1. Step 1: Write the proportion equation
   39,583.69 : 86,432.06 = 86,432.06 : x
2. Step 2: Convert to fraction form
   39,583.69/86,432.06 = 86,432.06/x
3. Step 3: Cross multiply
   39,583.69x = 86,432.06 × 86,432.06
4. Step 4: Simplify right side
   39,583.69x = 7,470,501,428.00
5. Step 5: Solve for x
   x = 7,470,501,428.00/39,583.69
6. Step 6: Final answer
   x = 188,726.77