Finding the Third Proportional to 4,129,066 and 8,890,904

Step by Step Solution

1. Step 1: Write the proportion equation
   4,129,066 : 8,890,904 = 8,890,904 : x
2. Step 2: Convert to fraction form
   4,129,066/8,890,904 = 8,890,904/x
3. Step 3: Cross multiply
   4,129,066x = 8,890,904 × 8,890,904
4. Step 4: Simplify right side
   4,129,066x = 79,048,173,937,216
5. Step 5: Solve for x
   x = 79,048,173,937,216/4,129,066
6. Step 6: Final answer
   x = 19,144,323.18