Finding the Third Proportional to 1,039,599 and 1,555,165.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,599 : 1,555,165.50 = 1,555,165.50 : x
2. Step 2: Convert to fraction form
   1,039,599/1,555,165.50 = 1,555,165.50/x
3. Step 3: Cross multiply
   1,039,599x = 1,555,165.50 × 1,555,165.50
4. Step 4: Simplify right side
   1,039,599x = 2,418,539,732,390.25
5. Step 5: Solve for x
   x = 2,418,539,732,390.25/1,039,599
6. Step 6: Final answer
   x = 2,326,415.99