Finding the Third Proportional to 301,332 and 442,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,332 : 442,156.50 = 442,156.50 : x
2. Step 2: Convert to fraction form
   301,332/442,156.50 = 442,156.50/x
3. Step 3: Cross multiply
   301,332x = 442,156.50 × 442,156.50
4. Step 4: Simplify right side
   301,332x = 195,502,370,492.25
5. Step 5: Solve for x
   x = 195,502,370,492.25/301,332
6. Step 6: Final answer
   x = 648,793.92