Finding the Third Proportional to 307,741.50 and 472,392

Step by Step Solution

1. Step 1: Write the proportion equation
   307,741.50 : 472,392 = 472,392 : x
2. Step 2: Convert to fraction form
   307,741.50/472,392 = 472,392/x
3. Step 3: Cross multiply
   307,741.50x = 472,392 × 472,392
4. Step 4: Simplify right side
   307,741.50x = 223,154,201,664
5. Step 5: Solve for x
   x = 223,154,201,664/307,741.50
6. Step 6: Final answer
   x = 725,135.22