Finding the Third Proportional to 738,346 and 1,738,440

Step by Step Solution

1. Step 1: Write the proportion equation
   738,346 : 1,738,440 = 1,738,440 : x
2. Step 2: Convert to fraction form
   738,346/1,738,440 = 1,738,440/x
3. Step 3: Cross multiply
   738,346x = 1,738,440 × 1,738,440
4. Step 4: Simplify right side
   738,346x = 3,022,173,633,600
5. Step 5: Solve for x
   x = 3,022,173,633,600/738,346
6. Step 6: Final answer
   x = 4,093,167.21