Finding the Third Proportional to 2,609,388 and 5,292,144

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,388 : 5,292,144 = 5,292,144 : x
2. Step 2: Convert to fraction form
   2,609,388/5,292,144 = 5,292,144/x
3. Step 3: Cross multiply
   2,609,388x = 5,292,144 × 5,292,144
4. Step 4: Simplify right side
   2,609,388x = 28,006,788,116,736
5. Step 5: Solve for x
   x = 28,006,788,116,736/2,609,388
6. Step 6: Final answer
   x = 10,733,086.88