Finding the Third Proportional to 2,182,329 and 4,742,391

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,329 : 4,742,391 = 4,742,391 : x
2. Step 2: Convert to fraction form
   2,182,329/4,742,391 = 4,742,391/x
3. Step 3: Cross multiply
   2,182,329x = 4,742,391 × 4,742,391
4. Step 4: Simplify right side
   2,182,329x = 22,490,272,396,881
5. Step 5: Solve for x
   x = 22,490,272,396,881/2,182,329
6. Step 6: Final answer
   x = 10,305,628.71