Finding the Third Proportional to 342,801 and 742,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,801 : 742,801.50 = 742,801.50 : x
2. Step 2: Convert to fraction form
   342,801/742,801.50 = 742,801.50/x
3. Step 3: Cross multiply
   342,801x = 742,801.50 × 742,801.50
4. Step 4: Simplify right side
   342,801x = 551,754,068,402.25
5. Step 5: Solve for x
   x = 551,754,068,402.25/342,801
6. Step 6: Final answer
   x = 1,609,546.26