Finding the Third Proportional to 766,717 and 1,631,786

Step by Step Solution

1. Step 1: Write the proportion equation
   766,717 : 1,631,786 = 1,631,786 : x
2. Step 2: Convert to fraction form
   766,717/1,631,786 = 1,631,786/x
3. Step 3: Cross multiply
   766,717x = 1,631,786 × 1,631,786
4. Step 4: Simplify right side
   766,717x = 2,662,725,549,796
5. Step 5: Solve for x
   x = 2,662,725,549,796/766,717
6. Step 6: Final answer
   x = 3,472,892.28