Finding the Third Proportional to 2,116,536 and 4,654,455

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,536 : 4,654,455 = 4,654,455 : x
2. Step 2: Convert to fraction form
   2,116,536/4,654,455 = 4,654,455/x
3. Step 3: Cross multiply
   2,116,536x = 4,654,455 × 4,654,455
4. Step 4: Simplify right side
   2,116,536x = 21,663,951,347,025
5. Step 5: Solve for x
   x = 21,663,951,347,025/2,116,536
6. Step 6: Final answer
   x = 10,235,569.51