Finding the Third Proportional to 761,647 and 1,654,405

Step by Step Solution

1. Step 1: Write the proportion equation
   761,647 : 1,654,405 = 1,654,405 : x
2. Step 2: Convert to fraction form
   761,647/1,654,405 = 1,654,405/x
3. Step 3: Cross multiply
   761,647x = 1,654,405 × 1,654,405
4. Step 4: Simplify right side
   761,647x = 2,737,055,904,025
5. Step 5: Solve for x
   x = 2,737,055,904,025/761,647
6. Step 6: Final answer
   x = 3,593,601.63