Finding the Third Proportional to 342,785.25 and 742,771.69

Step by Step Solution

1. Step 1: Write the proportion equation
   342,785.25 : 742,771.69 = 742,771.69 : x
2. Step 2: Convert to fraction form
   342,785.25/742,771.69 = 742,771.69/x
3. Step 3: Cross multiply
   342,785.25x = 742,771.69 × 742,771.69
4. Step 4: Simplify right side
   342,785.25x = 551,709,779,751.60
5. Step 5: Solve for x
   x = 551,709,779,751.60/342,785.25
6. Step 6: Final answer
   x = 1,609,491.01