Finding the Third Proportional to 3,763,146 and 8,129,904

Step by Step Solution

1. Step 1: Write the proportion equation
   3,763,146 : 8,129,904 = 8,129,904 : x
2. Step 2: Convert to fraction form
   3,763,146/8,129,904 = 8,129,904/x
3. Step 3: Cross multiply
   3,763,146x = 8,129,904 × 8,129,904
4. Step 4: Simplify right side
   3,763,146x = 66,095,339,049,216
5. Step 5: Solve for x
   x = 66,095,339,049,216/3,763,146
6. Step 6: Final answer
   x = 17,563,851.91