Finding the Third Proportional to 1,438,694 and 3,151,492

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,694 : 3,151,492 = 3,151,492 : x
2. Step 2: Convert to fraction form
   1,438,694/3,151,492 = 3,151,492/x
3. Step 3: Cross multiply
   1,438,694x = 3,151,492 × 3,151,492
4. Step 4: Simplify right side
   1,438,694x = 9,931,901,826,064
5. Step 5: Solve for x
   x = 9,931,901,826,064/1,438,694
6. Step 6: Final answer
   x = 6,903,415.06