Finding the Third Proportional to 4,209,606 and 9,092,817

Step by Step Solution

1. Step 1: Write the proportion equation
   4,209,606 : 9,092,817 = 9,092,817 : x
2. Step 2: Convert to fraction form
   4,209,606/9,092,817 = 9,092,817/x
3. Step 3: Cross multiply
   4,209,606x = 9,092,817 × 9,092,817
4. Step 4: Simplify right side
   4,209,606x = 82,679,320,995,489
5. Step 5: Solve for x
   x = 82,679,320,995,489/4,209,606
6. Step 6: Final answer
   x = 19,640,631.69