Finding the Third Proportional to 199,621.50 and 432,492

Step by Step Solution

1. Step 1: Write the proportion equation
   199,621.50 : 432,492 = 432,492 : x
2. Step 2: Convert to fraction form
   199,621.50/432,492 = 432,492/x
3. Step 3: Cross multiply
   199,621.50x = 432,492 × 432,492
4. Step 4: Simplify right side
   199,621.50x = 187,049,330,064
5. Step 5: Solve for x
   x = 187,049,330,064/199,621.50
6. Step 6: Final answer
   x = 937,019.96