Finding the Third Proportional to 5,673,100 and 8,515,454

Step by Step Solution

1. Step 1: Write the proportion equation
   5,673,100 : 8,515,454 = 8,515,454 : x
2. Step 2: Convert to fraction form
   5,673,100/8,515,454 = 8,515,454/x
3. Step 3: Cross multiply
   5,673,100x = 8,515,454 × 8,515,454
4. Step 4: Simplify right side
   5,673,100x = 72,512,956,826,116
5. Step 5: Solve for x
   x = 72,512,956,826,116/5,673,100
6. Step 6: Final answer
   x = 12,781,892.94