Finding the Third Proportional to 4,740,652 and 10,200,790

Step by Step Solution

1. Step 1: Write the proportion equation
   4,740,652 : 10,200,790 = 10,200,790 : x
2. Step 2: Convert to fraction form
   4,740,652/10,200,790 = 10,200,790/x
3. Step 3: Cross multiply
   4,740,652x = 10,200,790 × 10,200,790
4. Step 4: Simplify right side
   4,740,652x = 104,056,116,624,100
5. Step 5: Solve for x
   x = 104,056,116,624,100/4,740,652
6. Step 6: Final answer
   x = 21,949,747.97