Finding the Third Proportional to 1,035,635 and 1,399,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035,635 : 1,399,210 = 1,399,210 : x
2. Step 2: Convert to fraction form
   1,035,635/1,399,210 = 1,399,210/x
3. Step 3: Cross multiply
   1,035,635x = 1,399,210 × 1,399,210
4. Step 4: Simplify right side
   1,035,635x = 1,957,788,624,100
5. Step 5: Solve for x
   x = 1,957,788,624,100/1,035,635
6. Step 6: Final answer
   x = 1,890,423.39