Finding the Third Proportional to 6,978,737 and 10,426,278

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978,737 : 10,426,278 = 10,426,278 : x
2. Step 2: Convert to fraction form
   6,978,737/10,426,278 = 10,426,278/x
3. Step 3: Cross multiply
   6,978,737x = 10,426,278 × 10,426,278
4. Step 4: Simplify right side
   6,978,737x = 108,707,272,933,284
5. Step 5: Solve for x
   x = 108,707,272,933,284/6,978,737
6. Step 6: Final answer
   x = 15,576,926.45