Finding the Third Proportional to 1,503,388 and 3,164,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,388 : 3,164,168 = 3,164,168 : x
2. Step 2: Convert to fraction form
   1,503,388/3,164,168 = 3,164,168/x
3. Step 3: Cross multiply
   1,503,388x = 3,164,168 × 3,164,168
4. Step 4: Simplify right side
   1,503,388x = 10,011,959,132,224
5. Step 5: Solve for x
   x = 10,011,959,132,224/1,503,388
6. Step 6: Final answer
   x = 6,659,597.61