Finding the Third Proportional to 1,340,178 and 2,890,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,178 : 2,890,308 = 2,890,308 : x
2. Step 2: Convert to fraction form
   1,340,178/2,890,308 = 2,890,308/x
3. Step 3: Cross multiply
   1,340,178x = 2,890,308 × 2,890,308
4. Step 4: Simplify right side
   1,340,178x = 8,353,880,334,864
5. Step 5: Solve for x
   x = 8,353,880,334,864/1,340,178
6. Step 6: Final answer
   x = 6,233,411.04