Finding the Third Proportional to 5,200,490 and 8,003,716

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200,490 : 8,003,716 = 8,003,716 : x
2. Step 2: Convert to fraction form
   5,200,490/8,003,716 = 8,003,716/x
3. Step 3: Cross multiply
   5,200,490x = 8,003,716 × 8,003,716
4. Step 4: Simplify right side
   5,200,490x = 64,059,469,808,656
5. Step 5: Solve for x
   x = 64,059,469,808,656/5,200,490
6. Step 6: Final answer
   x = 12,317,968.08