Finding the Third Proportional to 2,985,311 and 4,473,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,985,311 : 4,473,272 = 4,473,272 : x
2. Step 2: Convert to fraction form
   2,985,311/4,473,272 = 4,473,272/x
3. Step 3: Cross multiply
   2,985,311x = 4,473,272 × 4,473,272
4. Step 4: Simplify right side
   2,985,311x = 20,010,162,385,984
5. Step 5: Solve for x
   x = 20,010,162,385,984/2,985,311
6. Step 6: Final answer
   x = 6,702,873.63