Finding the Third Proportional to 1,503,390 and 3,164,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,390 : 3,164,172 = 3,164,172 : x
2. Step 2: Convert to fraction form
   1,503,390/3,164,172 = 3,164,172/x
3. Step 3: Cross multiply
   1,503,390x = 3,164,172 × 3,164,172
4. Step 4: Simplify right side
   1,503,390x = 10,011,984,445,584
5. Step 5: Solve for x
   x = 10,011,984,445,584/1,503,390
6. Step 6: Final answer
   x = 6,659,605.59