Finding the Third Proportional to 339,232 and 731,870

Step by Step Solution

1. Step 1: Write the proportion equation
   339,232 : 731,870 = 731,870 : x
2. Step 2: Convert to fraction form
   339,232/731,870 = 731,870/x
3. Step 3: Cross multiply
   339,232x = 731,870 × 731,870
4. Step 4: Simplify right side
   339,232x = 535,633,696,900
5. Step 5: Solve for x
   x = 535,633,696,900/339,232
6. Step 6: Final answer
   x = 1,578,959.82