Finding the Third Proportional to 5,690,670 and 8,536,221

Step by Step Solution

1. Step 1: Write the proportion equation
   5,690,670 : 8,536,221 = 8,536,221 : x
2. Step 2: Convert to fraction form
   5,690,670/8,536,221 = 8,536,221/x
3. Step 3: Cross multiply
   5,690,670x = 8,536,221 × 8,536,221
4. Step 4: Simplify right side
   5,690,670x = 72,867,068,960,841
5. Step 5: Solve for x
   x = 72,867,068,960,841/5,690,670
6. Step 6: Final answer
   x = 12,804,655.51