Finding the Third Proportional to 34,358 and 72,928

Step by Step Solution

1. Step 1: Write the proportion equation
   34,358 : 72,928 = 72,928 : x
2. Step 2: Convert to fraction form
   34,358/72,928 = 72,928/x
3. Step 3: Cross multiply
   34,358x = 72,928 × 72,928
4. Step 4: Simplify right side
   34,358x = 5,318,493,184
5. Step 5: Solve for x
   x = 5,318,493,184/34,358
6. Step 6: Final answer
   x = 154,796.36