Finding the Third Proportional to 34,360 and 72,409

Step by Step Solution

1. Step 1: Write the proportion equation
   34,360 : 72,409 = 72,409 : x
2. Step 2: Convert to fraction form
   34,360/72,409 = 72,409/x
3. Step 3: Cross multiply
   34,360x = 72,409 × 72,409
4. Step 4: Simplify right side
   34,360x = 5,243,063,281
5. Step 5: Solve for x
   x = 5,243,063,281/34,360
6. Step 6: Final answer
   x = 152,592.06