Finding the Third Proportional to 606,213 and 882,661.50

Step by Step Solution

1. Step 1: Write the proportion equation
   606,213 : 882,661.50 = 882,661.50 : x
2. Step 2: Convert to fraction form
   606,213/882,661.50 = 882,661.50/x
3. Step 3: Cross multiply
   606,213x = 882,661.50 × 882,661.50
4. Step 4: Simplify right side
   606,213x = 779,091,323,582.25
5. Step 5: Solve for x
   x = 779,091,323,582.25/606,213
6. Step 6: Final answer
   x = 1,285,177.53