Finding the Third Proportional to 5,477,994 and 8,516,007

Step by Step Solution

1. Step 1: Write the proportion equation
   5,477,994 : 8,516,007 = 8,516,007 : x
2. Step 2: Convert to fraction form
   5,477,994/8,516,007 = 8,516,007/x
3. Step 3: Cross multiply
   5,477,994x = 8,516,007 × 8,516,007
4. Step 4: Simplify right side
   5,477,994x = 72,522,375,224,049
5. Step 5: Solve for x
   x = 72,522,375,224,049/5,477,994
6. Step 6: Final answer
   x = 13,238,856.27