Finding the Third Proportional to 609,196.50 and 1,320,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   609,196.50 : 1,320,088.50 = 1,320,088.50 : x
2. Step 2: Convert to fraction form
   609,196.50/1,320,088.50 = 1,320,088.50/x
3. Step 3: Cross multiply
   609,196.50x = 1,320,088.50 × 1,320,088.50
4. Step 4: Simplify right side
   609,196.50x = 1,742,633,647,832.25
5. Step 5: Solve for x
   x = 1,742,633,647,832.25/609,196.50
6. Step 6: Final answer
   x = 2,860,544.42