Finding the Third Proportional to 13,122,368 and 17,665,212

Step by Step Solution

1. Step 1: Write the proportion equation
   13,122,368 : 17,665,212 = 17,665,212 : x
2. Step 2: Convert to fraction form
   13,122,368/17,665,212 = 17,665,212/x
3. Step 3: Cross multiply
   13,122,368x = 17,665,212 × 17,665,212
4. Step 4: Simplify right side
   13,122,368x = 312,059,715,004,944
5. Step 5: Solve for x
   x = 312,059,715,004,944/13,122,368
6. Step 6: Final answer
   x = 23,780,747.12