Finding the Third Proportional to 1,109,616 and 1,670,808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,616 : 1,670,808 = 1,670,808 : x
2. Step 2: Convert to fraction form
   1,109,616/1,670,808 = 1,670,808/x
3. Step 3: Cross multiply
   1,109,616x = 1,670,808 × 1,670,808
4. Step 4: Simplify right side
   1,109,616x = 2,791,599,372,864
5. Step 5: Solve for x
   x = 2,791,599,372,864/1,109,616
6. Step 6: Final answer
   x = 2,515,824.73