Finding the Third Proportional to 740,404.50 and 1,119,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   740,404.50 : 1,119,718.50 = 1,119,718.50 : x
2. Step 2: Convert to fraction form
   740,404.50/1,119,718.50 = 1,119,718.50/x
3. Step 3: Cross multiply
   740,404.50x = 1,119,718.50 × 1,119,718.50
4. Step 4: Simplify right side
   740,404.50x = 1,253,769,519,242.25
5. Step 5: Solve for x
   x = 1,253,769,519,242.25/740,404.50
6. Step 6: Final answer
   x = 1,693,357.51