Finding the Third Proportional to 628,994 and 1,316,308

Step by Step Solution

1. Step 1: Write the proportion equation
   628,994 : 1,316,308 = 1,316,308 : x
2. Step 2: Convert to fraction form
   628,994/1,316,308 = 1,316,308/x
3. Step 3: Cross multiply
   628,994x = 1,316,308 × 1,316,308
4. Step 4: Simplify right side
   628,994x = 1,732,666,750,864
5. Step 5: Solve for x
   x = 1,732,666,750,864/628,994
6. Step 6: Final answer
   x = 2,754,663.40