Finding the Third Proportional to 72,196 and 157,492

Step by Step Solution

1. Step 1: Write the proportion equation
   72,196 : 157,492 = 157,492 : x
2. Step 2: Convert to fraction form
   72,196/157,492 = 157,492/x
3. Step 3: Cross multiply
   72,196x = 157,492 × 157,492
4. Step 4: Simplify right side
   72,196x = 24,803,730,064
5. Step 5: Solve for x
   x = 24,803,730,064/72,196
6. Step 6: Final answer
   x = 343,561.00