Finding the Third Proportional to 5,390,150 and 8,076,920

Step by Step Solution

1. Step 1: Write the proportion equation
   5,390,150 : 8,076,920 = 8,076,920 : x
2. Step 2: Convert to fraction form
   5,390,150/8,076,920 = 8,076,920/x
3. Step 3: Cross multiply
   5,390,150x = 8,076,920 × 8,076,920
4. Step 4: Simplify right side
   5,390,150x = 65,236,636,686,400
5. Step 5: Solve for x
   x = 65,236,636,686,400/5,390,150
6. Step 6: Final answer
   x = 12,102,935.30