Finding the Third Proportional to 5,160,982 and 7,218,356

Step by Step Solution

1. Step 1: Write the proportion equation
   5,160,982 : 7,218,356 = 7,218,356 : x
2. Step 2: Convert to fraction form
   5,160,982/7,218,356 = 7,218,356/x
3. Step 3: Cross multiply
   5,160,982x = 7,218,356 × 7,218,356
4. Step 4: Simplify right side
   5,160,982x = 52,104,663,342,736
5. Step 5: Solve for x
   x = 52,104,663,342,736/5,160,982
6. Step 6: Final answer
   x = 10,095,881.63