Finding the Third Proportional to 448,482 and 695,139

Step by Step Solution

1. Step 1: Write the proportion equation
   448,482 : 695,139 = 695,139 : x
2. Step 2: Convert to fraction form
   448,482/695,139 = 695,139/x
3. Step 3: Cross multiply
   448,482x = 695,139 × 695,139
4. Step 4: Simplify right side
   448,482x = 483,218,229,321
5. Step 5: Solve for x
   x = 483,218,229,321/448,482
6. Step 6: Final answer
   x = 1,077,452.90