Finding the Third Proportional to 163,851 and 246,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,851 : 246,931.50 = 246,931.50 : x
2. Step 2: Convert to fraction form
   163,851/246,931.50 = 246,931.50/x
3. Step 3: Cross multiply
   163,851x = 246,931.50 × 246,931.50
4. Step 4: Simplify right side
   163,851x = 60,975,165,692.25
5. Step 5: Solve for x
   x = 60,975,165,692.25/163,851
6. Step 6: Final answer
   x = 372,137.89