Finding the Third Proportional to 4,988,968 and 10,776,272

Step by Step Solution

1. Step 1: Write the proportion equation
   4,988,968 : 10,776,272 = 10,776,272 : x
2. Step 2: Convert to fraction form
   4,988,968/10,776,272 = 10,776,272/x
3. Step 3: Cross multiply
   4,988,968x = 10,776,272 × 10,776,272
4. Step 4: Simplify right side
   4,988,968x = 116,128,038,217,984
5. Step 5: Solve for x
   x = 116,128,038,217,984/4,988,968
6. Step 6: Final answer
   x = 23,276,965.94