Finding the Third Proportional to 763,146 and 1,208,142

Step by Step Solution

1. Step 1: Write the proportion equation
   763,146 : 1,208,142 = 1,208,142 : x
2. Step 2: Convert to fraction form
   763,146/1,208,142 = 1,208,142/x
3. Step 3: Cross multiply
   763,146x = 1,208,142 × 1,208,142
4. Step 4: Simplify right side
   763,146x = 1,459,607,092,164
5. Step 5: Solve for x
   x = 1,459,607,092,164/763,146
6. Step 6: Final answer
   x = 1,912,618.41