Finding the Third Proportional to 157,797 and 216,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   157,797 : 216,931.50 = 216,931.50 : x
2. Step 2: Convert to fraction form
   157,797/216,931.50 = 216,931.50/x
3. Step 3: Cross multiply
   157,797x = 216,931.50 × 216,931.50
4. Step 4: Simplify right side
   157,797x = 47,059,275,692.25
5. Step 5: Solve for x
   x = 47,059,275,692.25/157,797
6. Step 6: Final answer
   x = 298,226.68