Finding the Third Proportional to 3,172,871 and 4,766,340

Step by Step Solution

1. Step 1: Write the proportion equation
   3,172,871 : 4,766,340 = 4,766,340 : x
2. Step 2: Convert to fraction form
   3,172,871/4,766,340 = 4,766,340/x
3. Step 3: Cross multiply
   3,172,871x = 4,766,340 × 4,766,340
4. Step 4: Simplify right side
   3,172,871x = 22,717,996,995,600
5. Step 5: Solve for x
   x = 22,717,996,995,600/3,172,871
6. Step 6: Final answer
   x = 7,160,075.84