Finding the Third Proportional to 1,009,136 and 1,681,828

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,136 : 1,681,828 = 1,681,828 : x
2. Step 2: Convert to fraction form
   1,009,136/1,681,828 = 1,681,828/x
3. Step 3: Cross multiply
   1,009,136x = 1,681,828 × 1,681,828
4. Step 4: Simplify right side
   1,009,136x = 2,828,545,421,584
5. Step 5: Solve for x
   x = 2,828,545,421,584/1,009,136
6. Step 6: Final answer
   x = 2,802,937.78