Finding the Third Proportional to 4,667,018 and 7,620,772

Step by Step Solution

1. Step 1: Write the proportion equation
   4,667,018 : 7,620,772 = 7,620,772 : x
2. Step 2: Convert to fraction form
   4,667,018/7,620,772 = 7,620,772/x
3. Step 3: Cross multiply
   4,667,018x = 7,620,772 × 7,620,772
4. Step 4: Simplify right side
   4,667,018x = 58,076,165,875,984
5. Step 5: Solve for x
   x = 58,076,165,875,984/4,667,018
6. Step 6: Final answer
   x = 12,443,955.84