Finding the Third Proportional to 1,721,362 and 3,782,438

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721,362 : 3,782,438 = 3,782,438 : x
2. Step 2: Convert to fraction form
   1,721,362/3,782,438 = 3,782,438/x
3. Step 3: Cross multiply
   1,721,362x = 3,782,438 × 3,782,438
4. Step 4: Simplify right side
   1,721,362x = 14,306,837,223,844
5. Step 5: Solve for x
   x = 14,306,837,223,844/1,721,362
6. Step 6: Final answer
   x = 8,311,347.19