Finding the Third Proportional to 34,368 and 72,807

Step by Step Solution

1. Step 1: Write the proportion equation
   34,368 : 72,807 = 72,807 : x
2. Step 2: Convert to fraction form
   34,368/72,807 = 72,807/x
3. Step 3: Cross multiply
   34,368x = 72,807 × 72,807
4. Step 4: Simplify right side
   34,368x = 5,300,859,249
5. Step 5: Solve for x
   x = 5,300,859,249/34,368
6. Step 6: Final answer
   x = 154,238.22