Finding the Third Proportional to 5,710,176 and 8,407,440

Step by Step Solution

1. Step 1: Write the proportion equation
   5,710,176 : 8,407,440 = 8,407,440 : x
2. Step 2: Convert to fraction form
   5,710,176/8,407,440 = 8,407,440/x
3. Step 3: Cross multiply
   5,710,176x = 8,407,440 × 8,407,440
4. Step 4: Simplify right side
   5,710,176x = 70,685,047,353,600
5. Step 5: Solve for x
   x = 70,685,047,353,600/5,710,176
6. Step 6: Final answer
   x = 12,378,786.11