Finding the Third Proportional to 363,818.50 and 791,342

Step by Step Solution

1. Step 1: Write the proportion equation
   363,818.50 : 791,342 = 791,342 : x
2. Step 2: Convert to fraction form
   363,818.50/791,342 = 791,342/x
3. Step 3: Cross multiply
   363,818.50x = 791,342 × 791,342
4. Step 4: Simplify right side
   363,818.50x = 626,222,160,964
5. Step 5: Solve for x
   x = 626,222,160,964/363,818.50
6. Step 6: Final answer
   x = 1,721,248.81