Finding the Third Proportional to 1,011,845 and 2,154,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,845 : 2,154,780 = 2,154,780 : x
2. Step 2: Convert to fraction form
   1,011,845/2,154,780 = 2,154,780/x
3. Step 3: Cross multiply
   1,011,845x = 2,154,780 × 2,154,780
4. Step 4: Simplify right side
   1,011,845x = 4,643,076,848,400
5. Step 5: Solve for x
   x = 4,643,076,848,400/1,011,845
6. Step 6: Final answer
   x = 4,588,723.42