Finding the Third Proportional to 3,559,237 and 8,398,349

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559,237 : 8,398,349 = 8,398,349 : x
2. Step 2: Convert to fraction form
   3,559,237/8,398,349 = 8,398,349/x
3. Step 3: Cross multiply
   3,559,237x = 8,398,349 × 8,398,349
4. Step 4: Simplify right side
   3,559,237x = 70,532,265,925,801
5. Step 5: Solve for x
   x = 70,532,265,925,801/3,559,237
6. Step 6: Final answer
   x = 19,816,681.48