Finding the Third Proportional to 757,447.31 and 1,619,870.81

Step by Step Solution

1. Step 1: Write the proportion equation
   757,447.31 : 1,619,870.81 = 1,619,870.81 : x
2. Step 2: Convert to fraction form
   757,447.31/1,619,870.81 = 1,619,870.81/x
3. Step 3: Cross multiply
   757,447.31x = 1,619,870.81 × 1,619,870.81
4. Step 4: Simplify right side
   757,447.31x = 2,623,981,449,189.41
5. Step 5: Solve for x
   x = 2,623,981,449,189.41/757,447.31
6. Step 6: Final answer
   x = 3,464,242.87