Finding the Third Proportional to 1,970,857 and 4,236,316

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,857 : 4,236,316 = 4,236,316 : x
2. Step 2: Convert to fraction form
   1,970,857/4,236,316 = 4,236,316/x
3. Step 3: Cross multiply
   1,970,857x = 4,236,316 × 4,236,316
4. Step 4: Simplify right side
   1,970,857x = 17,946,373,251,856
5. Step 5: Solve for x
   x = 17,946,373,251,856/1,970,857
6. Step 6: Final answer
   x = 9,105,872.85