Finding the Third Proportional to 1,604,378 and 2,406,909

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604,378 : 2,406,909 = 2,406,909 : x
2. Step 2: Convert to fraction form
   1,604,378/2,406,909 = 2,406,909/x
3. Step 3: Cross multiply
   1,604,378x = 2,406,909 × 2,406,909
4. Step 4: Simplify right side
   1,604,378x = 5,793,210,934,281
5. Step 5: Solve for x
   x = 5,793,210,934,281/1,604,378
6. Step 6: Final answer
   x = 3,610,876.57