Finding the Third Proportional to 1,948,729 and 4,251,590

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948,729 : 4,251,590 = 4,251,590 : x
2. Step 2: Convert to fraction form
   1,948,729/4,251,590 = 4,251,590/x
3. Step 3: Cross multiply
   1,948,729x = 4,251,590 × 4,251,590
4. Step 4: Simplify right side
   1,948,729x = 18,076,017,528,100
5. Step 5: Solve for x
   x = 18,076,017,528,100/1,948,729
6. Step 6: Final answer
   x = 9,275,798.50