Finding the Third Proportional to 340,098 and 742,366.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,098 : 742,366.50 = 742,366.50 : x
2. Step 2: Convert to fraction form
   340,098/742,366.50 = 742,366.50/x
3. Step 3: Cross multiply
   340,098x = 742,366.50 × 742,366.50
4. Step 4: Simplify right side
   340,098x = 551,108,020,322.25
5. Step 5: Solve for x
   x = 551,108,020,322.25/340,098
6. Step 6: Final answer
   x = 1,620,438.87