Finding the Third Proportional to 2,570,990 and 4,908,700

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,990 : 4,908,700 = 4,908,700 : x
2. Step 2: Convert to fraction form
   2,570,990/4,908,700 = 4,908,700/x
3. Step 3: Cross multiply
   2,570,990x = 4,908,700 × 4,908,700
4. Step 4: Simplify right side
   2,570,990x = 24,095,335,690,000
5. Step 5: Solve for x
   x = 24,095,335,690,000/2,570,990
6. Step 6: Final answer
   x = 9,372,006.77