Finding the Third Proportional to 5,905,944 and 8,978,382

Step by Step Solution

1. Step 1: Write the proportion equation
   5,905,944 : 8,978,382 = 8,978,382 : x
2. Step 2: Convert to fraction form
   5,905,944/8,978,382 = 8,978,382/x
3. Step 3: Cross multiply
   5,905,944x = 8,978,382 × 8,978,382
4. Step 4: Simplify right side
   5,905,944x = 80,611,343,337,924
5. Step 5: Solve for x
   x = 80,611,343,337,924/5,905,944
6. Step 6: Final answer
   x = 13,649,188.57