Finding the Third Proportional to 139,004.50 and 230,074

Step by Step Solution

1. Step 1: Write the proportion equation
   139,004.50 : 230,074 = 230,074 : x
2. Step 2: Convert to fraction form
   139,004.50/230,074 = 230,074/x
3. Step 3: Cross multiply
   139,004.50x = 230,074 × 230,074
4. Step 4: Simplify right side
   139,004.50x = 52,934,045,476
5. Step 5: Solve for x
   x = 52,934,045,476/139,004.50
6. Step 6: Final answer
   x = 380,808.14