Finding the Third Proportional to 1,478,128 and 2,380,536

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,128 : 2,380,536 = 2,380,536 : x
2. Step 2: Convert to fraction form
   1,478,128/2,380,536 = 2,380,536/x
3. Step 3: Cross multiply
   1,478,128x = 2,380,536 × 2,380,536
4. Step 4: Simplify right side
   1,478,128x = 5,666,951,647,296
5. Step 5: Solve for x
   x = 5,666,951,647,296/1,478,128
6. Step 6: Final answer
   x = 3,833,870.71