Finding the Third Proportional to 5,213,739 and 10,904,172

Step by Step Solution

1. Step 1: Write the proportion equation
   5,213,739 : 10,904,172 = 10,904,172 : x
2. Step 2: Convert to fraction form
   5,213,739/10,904,172 = 10,904,172/x
3. Step 3: Cross multiply
   5,213,739x = 10,904,172 × 10,904,172
4. Step 4: Simplify right side
   5,213,739x = 118,900,967,005,584
5. Step 5: Solve for x
   x = 118,900,967,005,584/5,213,739
6. Step 6: Final answer
   x = 22,805,316.30