Finding the Third Proportional to 5,206,274 and 10,666,222

Step by Step Solution

1. Step 1: Write the proportion equation
   5,206,274 : 10,666,222 = 10,666,222 : x
2. Step 2: Convert to fraction form
   5,206,274/10,666,222 = 10,666,222/x
3. Step 3: Cross multiply
   5,206,274x = 10,666,222 × 10,666,222
4. Step 4: Simplify right side
   5,206,274x = 113,768,291,753,284
5. Step 5: Solve for x
   x = 113,768,291,753,284/5,206,274
6. Step 6: Final answer
   x = 21,852,152.18