Finding the Third Proportional to 4,739,942 and 10,199,200

Step by Step Solution

1. Step 1: Write the proportion equation
   4,739,942 : 10,199,200 = 10,199,200 : x
2. Step 2: Convert to fraction form
   4,739,942/10,199,200 = 10,199,200/x
3. Step 3: Cross multiply
   4,739,942x = 10,199,200 × 10,199,200
4. Step 4: Simplify right side
   4,739,942x = 104,023,680,640,000
5. Step 5: Solve for x
   x = 104,023,680,640,000/4,739,942
6. Step 6: Final answer
   x = 21,946,192.73