Finding the Third Proportional to 622,272 and 1,365,072

Step by Step Solution

1. Step 1: Write the proportion equation
   622,272 : 1,365,072 = 1,365,072 : x
2. Step 2: Convert to fraction form
   622,272/1,365,072 = 1,365,072/x
3. Step 3: Cross multiply
   622,272x = 1,365,072 × 1,365,072
4. Step 4: Simplify right side
   622,272x = 1,863,421,565,184
5. Step 5: Solve for x
   x = 1,863,421,565,184/622,272
6. Step 6: Final answer
   x = 2,994,545.09