Finding the Third Proportional to 2,165,288.63 and 4,650,426

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165,288.63 : 4,650,426 = 4,650,426 : x
2. Step 2: Convert to fraction form
   2,165,288.63/4,650,426 = 4,650,426/x
3. Step 3: Cross multiply
   2,165,288.63x = 4,650,426 × 4,650,426
4. Step 4: Simplify right side
   2,165,288.63x = 21,626,461,981,476
5. Step 5: Solve for x
   x = 21,626,461,981,476/2,165,288.63
6. Step 6: Final answer
   x = 9,987,796.42