Finding the Third Proportional to 4,723,072 and 9,782,240

Step by Step Solution

1. Step 1: Write the proportion equation
   4,723,072 : 9,782,240 = 9,782,240 : x
2. Step 2: Convert to fraction form
   4,723,072/9,782,240 = 9,782,240/x
3. Step 3: Cross multiply
   4,723,072x = 9,782,240 × 9,782,240
4. Step 4: Simplify right side
   4,723,072x = 95,692,219,417,600
5. Step 5: Solve for x
   x = 95,692,219,417,600/4,723,072
6. Step 6: Final answer
   x = 20,260,588.75