Finding the Third Proportional to 1,039,573.50 and 1,555,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,573.50 : 1,555,128 = 1,555,128 : x
2. Step 2: Convert to fraction form
   1,039,573.50/1,555,128 = 1,555,128/x
3. Step 3: Cross multiply
   1,039,573.50x = 1,555,128 × 1,555,128
4. Step 4: Simplify right side
   1,039,573.50x = 2,418,423,096,384
5. Step 5: Solve for x
   x = 2,418,423,096,384/1,039,573.50
6. Step 6: Final answer
   x = 2,326,360.86