Finding the Third Proportional to 1,372,640 and 2,069,763

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,640 : 2,069,763 = 2,069,763 : x
2. Step 2: Convert to fraction form
   1,372,640/2,069,763 = 2,069,763/x
3. Step 3: Cross multiply
   1,372,640x = 2,069,763 × 2,069,763
4. Step 4: Simplify right side
   1,372,640x = 4,283,918,876,169
5. Step 5: Solve for x
   x = 4,283,918,876,169/1,372,640
6. Step 6: Final answer
   x = 3,120,934.02