Finding the Third Proportional to 5,710,040 and 8,407,308

Step by Step Solution

1. Step 1: Write the proportion equation
   5,710,040 : 8,407,308 = 8,407,308 : x
2. Step 2: Convert to fraction form
   5,710,040/8,407,308 = 8,407,308/x
3. Step 3: Cross multiply
   5,710,040x = 8,407,308 × 8,407,308
4. Step 4: Simplify right side
   5,710,040x = 70,682,827,806,864
5. Step 5: Solve for x
   x = 70,682,827,806,864/5,710,040
6. Step 6: Final answer
   x = 12,378,692.23