Finding the Third Proportional to 670,113 and 1,445,196

Step by Step Solution

1. Step 1: Write the proportion equation
   670,113 : 1,445,196 = 1,445,196 : x
2. Step 2: Convert to fraction form
   670,113/1,445,196 = 1,445,196/x
3. Step 3: Cross multiply
   670,113x = 1,445,196 × 1,445,196
4. Step 4: Simplify right side
   670,113x = 2,088,591,478,416
5. Step 5: Solve for x
   x = 2,088,591,478,416/670,113
6. Step 6: Final answer
   x = 3,116,775.05