Finding the Third Proportional to 7,017,888 and 10,578,672

Step by Step Solution

1. Step 1: Write the proportion equation
   7,017,888 : 10,578,672 = 10,578,672 : x
2. Step 2: Convert to fraction form
   7,017,888/10,578,672 = 10,578,672/x
3. Step 3: Cross multiply
   7,017,888x = 10,578,672 × 10,578,672
4. Step 4: Simplify right side
   7,017,888x = 111,908,301,283,584
5. Step 5: Solve for x
   x = 111,908,301,283,584/7,017,888
6. Step 6: Final answer
   x = 15,946,150.93