Finding the Third Proportional to 1,890,729 and 4,148,793

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,729 : 4,148,793 = 4,148,793 : x
2. Step 2: Convert to fraction form
   1,890,729/4,148,793 = 4,148,793/x
3. Step 3: Cross multiply
   1,890,729x = 4,148,793 × 4,148,793
4. Step 4: Simplify right side
   1,890,729x = 17,212,483,356,849
5. Step 5: Solve for x
   x = 17,212,483,356,849/1,890,729
6. Step 6: Final answer
   x = 9,103,622.65