Finding the Third Proportional to 5,176,632 and 8,007,221

Step by Step Solution

1. Step 1: Write the proportion equation
   5,176,632 : 8,007,221 = 8,007,221 : x
2. Step 2: Convert to fraction form
   5,176,632/8,007,221 = 8,007,221/x
3. Step 3: Cross multiply
   5,176,632x = 8,007,221 × 8,007,221
4. Step 4: Simplify right side
   5,176,632x = 64,115,588,142,841
5. Step 5: Solve for x
   x = 64,115,588,142,841/5,176,632
6. Step 6: Final answer
   x = 12,385,579.69