Finding the Third Proportional to 189,418.50 and 292,572

Step by Step Solution

1. Step 1: Write the proportion equation
   189,418.50 : 292,572 = 292,572 : x
2. Step 2: Convert to fraction form
   189,418.50/292,572 = 292,572/x
3. Step 3: Cross multiply
   189,418.50x = 292,572 × 292,572
4. Step 4: Simplify right side
   189,418.50x = 85,598,375,184
5. Step 5: Solve for x
   x = 85,598,375,184/189,418.50
6. Step 6: Final answer
   x = 451,900.82