Finding the Third Proportional to 34,379.75 and 72,492.79

Step by Step Solution

1. Step 1: Write the proportion equation
   34,379.75 : 72,492.79 = 72,492.79 : x
2. Step 2: Convert to fraction form
   34,379.75/72,492.79 = 72,492.79/x
3. Step 3: Cross multiply
   34,379.75x = 72,492.79 × 72,492.79
4. Step 4: Simplify right side
   34,379.75x = 5,255,203,899.71
5. Step 5: Solve for x
   x = 5,255,203,899.71/34,379.75
6. Step 6: Final answer
   x = 152,857.52