Finding the Third Proportional to 2,129,654 and 4,652,320

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,654 : 4,652,320 = 4,652,320 : x
2. Step 2: Convert to fraction form
   2,129,654/4,652,320 = 4,652,320/x
3. Step 3: Cross multiply
   2,129,654x = 4,652,320 × 4,652,320
4. Step 4: Simplify right side
   2,129,654x = 21,644,081,382,400
5. Step 5: Solve for x
   x = 21,644,081,382,400/2,129,654
6. Step 6: Final answer
   x = 10,163,191.48