Finding the Third Proportional to 5,645,392 and 8,480,848

Step by Step Solution

1. Step 1: Write the proportion equation
   5,645,392 : 8,480,848 = 8,480,848 : x
2. Step 2: Convert to fraction form
   5,645,392/8,480,848 = 8,480,848/x
3. Step 3: Cross multiply
   5,645,392x = 8,480,848 × 8,480,848
4. Step 4: Simplify right side
   5,645,392x = 71,924,782,799,104
5. Step 5: Solve for x
   x = 71,924,782,799,104/5,645,392
6. Step 6: Final answer
   x = 12,740,440.84