Finding the Third Proportional to 623,131.50 and 1,355,613

Step by Step Solution

1. Step 1: Write the proportion equation
   623,131.50 : 1,355,613 = 1,355,613 : x
2. Step 2: Convert to fraction form
   623,131.50/1,355,613 = 1,355,613/x
3. Step 3: Cross multiply
   623,131.50x = 1,355,613 × 1,355,613
4. Step 4: Simplify right side
   623,131.50x = 1,837,686,605,769
5. Step 5: Solve for x
   x = 1,837,686,605,769/623,131.50
6. Step 6: Final answer
   x = 2,949,115.24