Finding the Third Proportional to 5,575,018 and 7,851,111

Step by Step Solution

1. Step 1: Write the proportion equation
   5,575,018 : 7,851,111 = 7,851,111 : x
2. Step 2: Convert to fraction form
   5,575,018/7,851,111 = 7,851,111/x
3. Step 3: Cross multiply
   5,575,018x = 7,851,111 × 7,851,111
4. Step 4: Simplify right side
   5,575,018x = 61,639,943,934,321
5. Step 5: Solve for x
   x = 61,639,943,934,321/5,575,018
6. Step 6: Final answer
   x = 11,056,456.49