Finding the Third Proportional to 13,968,578 and 21,529,443

Step by Step Solution

1. Step 1: Write the proportion equation
   13,968,578 : 21,529,443 = 21,529,443 : x
2. Step 2: Convert to fraction form
   13,968,578/21,529,443 = 21,529,443/x
3. Step 3: Cross multiply
   13,968,578x = 21,529,443 × 21,529,443
4. Step 4: Simplify right side
   13,968,578x = 463,516,915,890,249
5. Step 5: Solve for x
   x = 463,516,915,890,249/13,968,578
6. Step 6: Final answer
   x = 33,182,827.62