Finding the Third Proportional to 161,598 and 216,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,598 : 216,031.50 = 216,031.50 : x
2. Step 2: Convert to fraction form
   161,598/216,031.50 = 216,031.50/x
3. Step 3: Cross multiply
   161,598x = 216,031.50 × 216,031.50
4. Step 4: Simplify right side
   161,598x = 46,669,608,992.25
5. Step 5: Solve for x
   x = 46,669,608,992.25/161,598
6. Step 6: Final answer
   x = 288,800.66