Finding the Third Proportional to 34,672 and 70,985

Step by Step Solution

1. Step 1: Write the proportion equation
   34,672 : 70,985 = 70,985 : x
2. Step 2: Convert to fraction form
   34,672/70,985 = 70,985/x
3. Step 3: Cross multiply
   34,672x = 70,985 × 70,985
4. Step 4: Simplify right side
   34,672x = 5,038,870,225
5. Step 5: Solve for x
   x = 5,038,870,225/34,672
6. Step 6: Final answer
   x = 145,329.67