Finding the Third Proportional to 328,769 and 495,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   328,769 : 495,043.50 = 495,043.50 : x
2. Step 2: Convert to fraction form
   328,769/495,043.50 = 495,043.50/x
3. Step 3: Cross multiply
   328,769x = 495,043.50 × 495,043.50
4. Step 4: Simplify right side
   328,769x = 245,068,066,892.25
5. Step 5: Solve for x
   x = 245,068,066,892.25/328,769
6. Step 6: Final answer
   x = 745,411.12