Finding the Third Proportional to 620,711 and 1,333,284

Step by Step Solution

1. Step 1: Write the proportion equation
   620,711 : 1,333,284 = 1,333,284 : x
2. Step 2: Convert to fraction form
   620,711/1,333,284 = 1,333,284/x
3. Step 3: Cross multiply
   620,711x = 1,333,284 × 1,333,284
4. Step 4: Simplify right side
   620,711x = 1,777,646,224,656
5. Step 5: Solve for x
   x = 1,777,646,224,656/620,711
6. Step 6: Final answer
   x = 2,863,887.10