Finding the Third Proportional to 392,827 and 600,673.50

Step by Step Solution

1. Step 1: Write the proportion equation
   392,827 : 600,673.50 = 600,673.50 : x
2. Step 2: Convert to fraction form
   392,827/600,673.50 = 600,673.50/x
3. Step 3: Cross multiply
   392,827x = 600,673.50 × 600,673.50
4. Step 4: Simplify right side
   392,827x = 360,808,653,602.25
5. Step 5: Solve for x
   x = 360,808,653,602.25/392,827
6. Step 6: Final answer
   x = 918,492.50