Finding the Third Proportional to 5,400,782 and 12,749,060

Step by Step Solution

1. Step 1: Write the proportion equation
   5,400,782 : 12,749,060 = 12,749,060 : x
2. Step 2: Convert to fraction form
   5,400,782/12,749,060 = 12,749,060/x
3. Step 3: Cross multiply
   5,400,782x = 12,749,060 × 12,749,060
4. Step 4: Simplify right side
   5,400,782x = 162,538,530,883,600
5. Step 5: Solve for x
   x = 162,538,530,883,600/5,400,782
6. Step 6: Final answer
   x = 30,095,369.69