Finding the Third Proportional to 5,357,300 and 12,644,270

Step by Step Solution

1. Step 1: Write the proportion equation
   5,357,300 : 12,644,270 = 12,644,270 : x
2. Step 2: Convert to fraction form
   5,357,300/12,644,270 = 12,644,270/x
3. Step 3: Cross multiply
   5,357,300x = 12,644,270 × 12,644,270
4. Step 4: Simplify right side
   5,357,300x = 159,877,563,832,900
5. Step 5: Solve for x
   x = 159,877,563,832,900/5,357,300
6. Step 6: Final answer
   x = 29,842,936.52