Finding the Third Proportional to 740,156 and 1,538,488

Step by Step Solution

1. Step 1: Write the proportion equation
   740,156 : 1,538,488 = 1,538,488 : x
2. Step 2: Convert to fraction form
   740,156/1,538,488 = 1,538,488/x
3. Step 3: Cross multiply
   740,156x = 1,538,488 × 1,538,488
4. Step 4: Simplify right side
   740,156x = 2,366,945,326,144
5. Step 5: Solve for x
   x = 2,366,945,326,144/740,156
6. Step 6: Final answer
   x = 3,197,900.61