Finding the Third Proportional to 670,066 and 1,445,109

Step by Step Solution

1. Step 1: Write the proportion equation
   670,066 : 1,445,109 = 1,445,109 : x
2. Step 2: Convert to fraction form
   670,066/1,445,109 = 1,445,109/x
3. Step 3: Cross multiply
   670,066x = 1,445,109 × 1,445,109
4. Step 4: Simplify right side
   670,066x = 2,088,340,021,881
5. Step 5: Solve for x
   x = 2,088,340,021,881/670,066
6. Step 6: Final answer
   x = 3,116,618.40