Finding the Third Proportional to 92,620 and 192,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92,620 : 192,507.50 = 192,507.50 : x
2. Step 2: Convert to fraction form
   92,620/192,507.50 = 192,507.50/x
3. Step 3: Cross multiply
   92,620x = 192,507.50 × 192,507.50
4. Step 4: Simplify right side
   92,620x = 37,059,137,556.25
5. Step 5: Solve for x
   x = 37,059,137,556.25/92,620
6. Step 6: Final answer
   x = 400,120.25