Finding the Third Proportional to 869,618.53 and 1,300,429.69

Step by Step Solution

1. Step 1: Write the proportion equation
   869,618.53 : 1,300,429.69 = 1,300,429.69 : x
2. Step 2: Convert to fraction form
   869,618.53/1,300,429.69 = 1,300,429.69/x
3. Step 3: Cross multiply
   869,618.53x = 1,300,429.69 × 1,300,429.69
4. Step 4: Simplify right side
   869,618.53x = 1,691,117,372,131.35
5. Step 5: Solve for x
   x = 1,691,117,372,131.35/869,618.53
6. Step 6: Final answer
   x = 1,944,665.75