Finding the Third Proportional to 621,320 and 1,333,264

Step by Step Solution

1. Step 1: Write the proportion equation
   621,320 : 1,333,264 = 1,333,264 : x
2. Step 2: Convert to fraction form
   621,320/1,333,264 = 1,333,264/x
3. Step 3: Cross multiply
   621,320x = 1,333,264 × 1,333,264
4. Step 4: Simplify right side
   621,320x = 1,777,592,893,696
5. Step 5: Solve for x
   x = 1,777,592,893,696/621,320
6. Step 6: Final answer
   x = 2,860,994.16