Finding the Third Proportional to 1,721,356 and 3,782,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721,356 : 3,782,428 = 3,782,428 : x
2. Step 2: Convert to fraction form
   1,721,356/3,782,428 = 3,782,428/x
3. Step 3: Cross multiply
   1,721,356x = 3,782,428 × 3,782,428
4. Step 4: Simplify right side
   1,721,356x = 14,306,761,575,184
5. Step 5: Solve for x
   x = 14,306,761,575,184/1,721,356
6. Step 6: Final answer
   x = 8,311,332.21