Finding the Third Proportional to 448,483.50 and 695,142

Step by Step Solution

1. Step 1: Write the proportion equation
   448,483.50 : 695,142 = 695,142 : x
2. Step 2: Convert to fraction form
   448,483.50/695,142 = 695,142/x
3. Step 3: Cross multiply
   448,483.50x = 695,142 × 695,142
4. Step 4: Simplify right side
   448,483.50x = 483,222,400,164
5. Step 5: Solve for x
   x = 483,222,400,164/448,483.50
6. Step 6: Final answer
   x = 1,077,458.59