Finding the Third Proportional to 760,939.31 and 1,769,419.69

Step by Step Solution

1. Step 1: Write the proportion equation
   760,939.31 : 1,769,419.69 = 1,769,419.69 : x
2. Step 2: Convert to fraction form
   760,939.31/1,769,419.69 = 1,769,419.69/x
3. Step 3: Cross multiply
   760,939.31x = 1,769,419.69 × 1,769,419.69
4. Step 4: Simplify right side
   760,939.31x = 3,130,846,030,512.60
5. Step 5: Solve for x
   x = 3,130,846,030,512.60/760,939.31
6. Step 6: Final answer
   x = 4,114,449.05