Finding the Third Proportional to 1,009,808 and 2,177,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,808 : 2,177,080 = 2,177,080 : x
2. Step 2: Convert to fraction form
   1,009,808/2,177,080 = 2,177,080/x
3. Step 3: Cross multiply
   1,009,808x = 2,177,080 × 2,177,080
4. Step 4: Simplify right side
   1,009,808x = 4,739,677,326,400
5. Step 5: Solve for x
   x = 4,739,677,326,400/1,009,808
6. Step 6: Final answer
   x = 4,693,642.08