Finding the Third Proportional to 86,692.50 and 187,344

Step by Step Solution

1. Step 1: Write the proportion equation
   86,692.50 : 187,344 = 187,344 : x
2. Step 2: Convert to fraction form
   86,692.50/187,344 = 187,344/x
3. Step 3: Cross multiply
   86,692.50x = 187,344 × 187,344
4. Step 4: Simplify right side
   86,692.50x = 35,097,774,336
5. Step 5: Solve for x
   x = 35,097,774,336/86,692.50
6. Step 6: Final answer
   x = 404,853.64