Finding the Third Proportional to 4,709,625 and 10,172,064

Step by Step Solution

1. Step 1: Write the proportion equation
   4,709,625 : 10,172,064 = 10,172,064 : x
2. Step 2: Convert to fraction form
   4,709,625/10,172,064 = 10,172,064/x
3. Step 3: Cross multiply
   4,709,625x = 10,172,064 × 10,172,064
4. Step 4: Simplify right side
   4,709,625x = 103,470,886,020,096
5. Step 5: Solve for x
   x = 103,470,886,020,096/4,709,625
6. Step 6: Final answer
   x = 21,970,090.19