Finding the Third Proportional to 1,601,666 and 2,157,339

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601,666 : 2,157,339 = 2,157,339 : x
2. Step 2: Convert to fraction form
   1,601,666/2,157,339 = 2,157,339/x
3. Step 3: Cross multiply
   1,601,666x = 2,157,339 × 2,157,339
4. Step 4: Simplify right side
   1,601,666x = 4,654,111,560,921
5. Step 5: Solve for x
   x = 4,654,111,560,921/1,601,666
6. Step 6: Final answer
   x = 2,905,794.07