Finding the Third Proportional to 2,605,849.50 and 3,929,281

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,849.50 : 3,929,281 = 3,929,281 : x
2. Step 2: Convert to fraction form
   2,605,849.50/3,929,281 = 3,929,281/x
3. Step 3: Cross multiply
   2,605,849.50x = 3,929,281 × 3,929,281
4. Step 4: Simplify right side
   2,605,849.50x = 15,439,249,176,961
5. Step 5: Solve for x
   x = 15,439,249,176,961/2,605,849.50
6. Step 6: Final answer
   x = 5,924,843.00