Finding the Third Proportional to 328,336.50 and 707,946

Step by Step Solution

1. Step 1: Write the proportion equation
   328,336.50 : 707,946 = 707,946 : x
2. Step 2: Convert to fraction form
   328,336.50/707,946 = 707,946/x
3. Step 3: Cross multiply
   328,336.50x = 707,946 × 707,946
4. Step 4: Simplify right side
   328,336.50x = 501,187,538,916
5. Step 5: Solve for x
   x = 501,187,538,916/328,336.50
6. Step 6: Final answer
   x = 1,526,444.79