Finding the Third Proportional to 5,603,424 and 8,567,808

Step by Step Solution

1. Step 1: Write the proportion equation
   5,603,424 : 8,567,808 = 8,567,808 : x
2. Step 2: Convert to fraction form
   5,603,424/8,567,808 = 8,567,808/x
3. Step 3: Cross multiply
   5,603,424x = 8,567,808 × 8,567,808
4. Step 4: Simplify right side
   5,603,424x = 73,407,333,924,864
5. Step 5: Solve for x
   x = 73,407,333,924,864/5,603,424
6. Step 6: Final answer
   x = 13,100,442.50