Finding the Third Proportional to 850,316 and 1,866,501

Step by Step Solution

1. Step 1: Write the proportion equation
   850,316 : 1,866,501 = 1,866,501 : x
2. Step 2: Convert to fraction form
   850,316/1,866,501 = 1,866,501/x
3. Step 3: Cross multiply
   850,316x = 1,866,501 × 1,866,501
4. Step 4: Simplify right side
   850,316x = 3,483,825,983,001
5. Step 5: Solve for x
   x = 3,483,825,983,001/850,316
6. Step 6: Final answer
   x = 4,097,095.65