Finding the Third Proportional to 53,392 and 72,392

Step by Step Solution

1. Step 1: Write the proportion equation
   53,392 : 72,392 = 72,392 : x
2. Step 2: Convert to fraction form
   53,392/72,392 = 72,392/x
3. Step 3: Cross multiply
   53,392x = 72,392 × 72,392
4. Step 4: Simplify right side
   53,392x = 5,240,601,664
5. Step 5: Solve for x
   x = 5,240,601,664/53,392
6. Step 6: Final answer
   x = 98,153.31