Finding the Third Proportional to 252,727.50 and 380,118

Step by Step Solution

1. Step 1: Write the proportion equation
   252,727.50 : 380,118 = 380,118 : x
2. Step 2: Convert to fraction form
   252,727.50/380,118 = 380,118/x
3. Step 3: Cross multiply
   252,727.50x = 380,118 × 380,118
4. Step 4: Simplify right side
   252,727.50x = 144,489,693,924
5. Step 5: Solve for x
   x = 144,489,693,924/252,727.50
6. Step 6: Final answer
   x = 571,721.30