Finding the Third Proportional to 4,208,076 and 9,072,864

Step by Step Solution

1. Step 1: Write the proportion equation
   4,208,076 : 9,072,864 = 9,072,864 : x
2. Step 2: Convert to fraction form
   4,208,076/9,072,864 = 9,072,864/x
3. Step 3: Cross multiply
   4,208,076x = 9,072,864 × 9,072,864
4. Step 4: Simplify right side
   4,208,076x = 82,316,861,162,496
5. Step 5: Solve for x
   x = 82,316,861,162,496/4,208,076
6. Step 6: Final answer
   x = 19,561,638.42