Finding the Third Proportional to 1,189,464 and 1,778,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,464 : 1,778,998.50 = 1,778,998.50 : x
2. Step 2: Convert to fraction form
   1,189,464/1,778,998.50 = 1,778,998.50/x
3. Step 3: Cross multiply
   1,189,464x = 1,778,998.50 × 1,778,998.50
4. Step 4: Simplify right side
   1,189,464x = 3,164,835,663,002.25
5. Step 5: Solve for x
   x = 3,164,835,663,002.25/1,189,464
6. Step 6: Final answer
   x = 2,660,724.21