Finding the Third Proportional to 2,243,008 and 4,920,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,008 : 4,920,272 = 4,920,272 : x
2. Step 2: Convert to fraction form
   2,243,008/4,920,272 = 4,920,272/x
3. Step 3: Cross multiply
   2,243,008x = 4,920,272 × 4,920,272
4. Step 4: Simplify right side
   2,243,008x = 24,209,076,553,984
5. Step 5: Solve for x
   x = 24,209,076,553,984/2,243,008
6. Step 6: Final answer
   x = 10,793,129.83