Finding the Third Proportional to 5,551,026 and 8,326,539

Step by Step Solution

1. Step 1: Write the proportion equation
   5,551,026 : 8,326,539 = 8,326,539 : x
2. Step 2: Convert to fraction form
   5,551,026/8,326,539 = 8,326,539/x
3. Step 3: Cross multiply
   5,551,026x = 8,326,539 × 8,326,539
4. Step 4: Simplify right side
   5,551,026x = 69,331,251,718,521
5. Step 5: Solve for x
   x = 69,331,251,718,521/5,551,026
6. Step 6: Final answer
   x = 12,489,808.50