Finding the Third Proportional to 2,158,968 and 4,737,840

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,968 : 4,737,840 = 4,737,840 : x
2. Step 2: Convert to fraction form
   2,158,968/4,737,840 = 4,737,840/x
3. Step 3: Cross multiply
   2,158,968x = 4,737,840 × 4,737,840
4. Step 4: Simplify right side
   2,158,968x = 22,447,127,865,600
5. Step 5: Solve for x
   x = 22,447,127,865,600/2,158,968
6. Step 6: Final answer
   x = 10,397,156.36