Finding the Third Proportional to 1,243,602 and 1,920,363

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,602 : 1,920,363 = 1,920,363 : x
2. Step 2: Convert to fraction form
   1,243,602/1,920,363 = 1,920,363/x
3. Step 3: Cross multiply
   1,243,602x = 1,920,363 × 1,920,363
4. Step 4: Simplify right side
   1,243,602x = 3,687,794,051,769
5. Step 5: Solve for x
   x = 3,687,794,051,769/1,243,602
6. Step 6: Final answer
   x = 2,965,413.41