Finding the Third Proportional to 338,497 and 742,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   338,497 : 742,185.50 = 742,185.50 : x
2. Step 2: Convert to fraction form
   338,497/742,185.50 = 742,185.50/x
3. Step 3: Cross multiply
   338,497x = 742,185.50 × 742,185.50
4. Step 4: Simplify right side
   338,497x = 550,839,316,410.25
5. Step 5: Solve for x
   x = 550,839,316,410.25/338,497
6. Step 6: Final answer
   x = 1,627,309.30