Finding the Third Proportional to 740,998 and 1,148,105

Step by Step Solution

1. Step 1: Write the proportion equation
   740,998 : 1,148,105 = 1,148,105 : x
2. Step 2: Convert to fraction form
   740,998/1,148,105 = 1,148,105/x
3. Step 3: Cross multiply
   740,998x = 1,148,105 × 1,148,105
4. Step 4: Simplify right side
   740,998x = 1,318,145,091,025
5. Step 5: Solve for x
   x = 1,318,145,091,025/740,998
6. Step 6: Final answer
   x = 1,778,878.07