Finding the Third Proportional to 670,089 and 1,445,154

Step by Step Solution

1. Step 1: Write the proportion equation
   670,089 : 1,445,154 = 1,445,154 : x
2. Step 2: Convert to fraction form
   670,089/1,445,154 = 1,445,154/x
3. Step 3: Cross multiply
   670,089x = 1,445,154 × 1,445,154
4. Step 4: Simplify right side
   670,089x = 2,088,470,083,716
5. Step 5: Solve for x
   x = 2,088,470,083,716/670,089
6. Step 6: Final answer
   x = 3,116,705.52