Finding the Third Proportional to 53,172 and 72,244

Step by Step Solution

1. Step 1: Write the proportion equation
   53,172 : 72,244 = 72,244 : x
2. Step 2: Convert to fraction form
   53,172/72,244 = 72,244/x
3. Step 3: Cross multiply
   53,172x = 72,244 × 72,244
4. Step 4: Simplify right side
   53,172x = 5,219,195,536
5. Step 5: Solve for x
   x = 5,219,195,536/53,172
6. Step 6: Final answer
   x = 98,156.84