Finding the Third Proportional to 162,086.25 and 349,140

Step by Step Solution

1. Step 1: Write the proportion equation
   162,086.25 : 349,140 = 349,140 : x
2. Step 2: Convert to fraction form
   162,086.25/349,140 = 349,140/x
3. Step 3: Cross multiply
   162,086.25x = 349,140 × 349,140
4. Step 4: Simplify right side
   162,086.25x = 121,898,739,600
5. Step 5: Solve for x
   x = 121,898,739,600/162,086.25
6. Step 6: Final answer
   x = 752,060.95