Finding the Third Proportional to 4,147,982 and 8,627,054

Step by Step Solution

1. Step 1: Write the proportion equation
   4,147,982 : 8,627,054 = 8,627,054 : x
2. Step 2: Convert to fraction form
   4,147,982/8,627,054 = 8,627,054/x
3. Step 3: Cross multiply
   4,147,982x = 8,627,054 × 8,627,054
4. Step 4: Simplify right side
   4,147,982x = 74,426,060,718,916
5. Step 5: Solve for x
   x = 74,426,060,718,916/4,147,982
6. Step 6: Final answer
   x = 17,942,715.45