Finding the Third Proportional to 5,671,560 and 8,511,488

Step by Step Solution

1. Step 1: Write the proportion equation
   5,671,560 : 8,511,488 = 8,511,488 : x
2. Step 2: Convert to fraction form
   5,671,560/8,511,488 = 8,511,488/x
3. Step 3: Cross multiply
   5,671,560x = 8,511,488 × 8,511,488
4. Step 4: Simplify right side
   5,671,560x = 72,445,427,974,144
5. Step 5: Solve for x
   x = 72,445,427,974,144/5,671,560
6. Step 6: Final answer
   x = 12,773,457.03