Finding the Third Proportional to 1,380,974 and 2,953,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,974 : 2,953,840 = 2,953,840 : x
2. Step 2: Convert to fraction form
   1,380,974/2,953,840 = 2,953,840/x
3. Step 3: Cross multiply
   1,380,974x = 2,953,840 × 2,953,840
4. Step 4: Simplify right side
   1,380,974x = 8,725,170,745,600
5. Step 5: Solve for x
   x = 8,725,170,745,600/1,380,974
6. Step 6: Final answer
   x = 6,318,128.18