Finding the Third Proportional to 189,121.50 and 292,824

Step by Step Solution

1. Step 1: Write the proportion equation
   189,121.50 : 292,824 = 292,824 : x
2. Step 2: Convert to fraction form
   189,121.50/292,824 = 292,824/x
3. Step 3: Cross multiply
   189,121.50x = 292,824 × 292,824
4. Step 4: Simplify right side
   189,121.50x = 85,745,894,976
5. Step 5: Solve for x
   x = 85,745,894,976/189,121.50
6. Step 6: Final answer
   x = 453,390.52