Finding the Third Proportional to 1,380,980 and 2,953,860

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,980 : 2,953,860 = 2,953,860 : x
2. Step 2: Convert to fraction form
   1,380,980/2,953,860 = 2,953,860/x
3. Step 3: Cross multiply
   1,380,980x = 2,953,860 × 2,953,860
4. Step 4: Simplify right side
   1,380,980x = 8,725,288,899,600
5. Step 5: Solve for x
   x = 8,725,288,899,600/1,380,980
6. Step 6: Final answer
   x = 6,318,186.29