Finding the Third Proportional to 830,390 and 1,355,942

Step by Step Solution

1. Step 1: Write the proportion equation
   830,390 : 1,355,942 = 1,355,942 : x
2. Step 2: Convert to fraction form
   830,390/1,355,942 = 1,355,942/x
3. Step 3: Cross multiply
   830,390x = 1,355,942 × 1,355,942
4. Step 4: Simplify right side
   830,390x = 1,838,578,707,364
5. Step 5: Solve for x
   x = 1,838,578,707,364/830,390
6. Step 6: Final answer
   x = 2,214,114.70