Finding the Third Proportional to 6,540,688 and 10,039,842

Step by Step Solution

1. Step 1: Write the proportion equation
   6,540,688 : 10,039,842 = 10,039,842 : x
2. Step 2: Convert to fraction form
   6,540,688/10,039,842 = 10,039,842/x
3. Step 3: Cross multiply
   6,540,688x = 10,039,842 × 10,039,842
4. Step 4: Simplify right side
   6,540,688x = 100,798,427,384,964
5. Step 5: Solve for x
   x = 100,798,427,384,964/6,540,688
6. Step 6: Final answer
   x = 15,410,982.36