Finding the Third Proportional to 2,172,546 and 4,773,060

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,546 : 4,773,060 = 4,773,060 : x
2. Step 2: Convert to fraction form
   2,172,546/4,773,060 = 4,773,060/x
3. Step 3: Cross multiply
   2,172,546x = 4,773,060 × 4,773,060
4. Step 4: Simplify right side
   2,172,546x = 22,782,101,763,600
5. Step 5: Solve for x
   x = 22,782,101,763,600/2,172,546
6. Step 6: Final answer
   x = 10,486,361.05