Finding the Third Proportional to 1,438,692 and 3,151,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,692 : 3,151,488 = 3,151,488 : x
2. Step 2: Convert to fraction form
   1,438,692/3,151,488 = 3,151,488/x
3. Step 3: Cross multiply
   1,438,692x = 3,151,488 × 3,151,488
4. Step 4: Simplify right side
   1,438,692x = 9,931,876,614,144
5. Step 5: Solve for x
   x = 9,931,876,614,144/1,438,692
6. Step 6: Final answer
   x = 6,903,407.13