Finding the Third Proportional to 740,145 and 1,538,466

Step by Step Solution

1. Step 1: Write the proportion equation
   740,145 : 1,538,466 = 1,538,466 : x
2. Step 2: Convert to fraction form
   740,145/1,538,466 = 1,538,466/x
3. Step 3: Cross multiply
   740,145x = 1,538,466 × 1,538,466
4. Step 4: Simplify right side
   740,145x = 2,366,877,633,156
5. Step 5: Solve for x
   x = 2,366,877,633,156/740,145
6. Step 6: Final answer
   x = 3,197,856.68