Finding the Third Proportional to 70,172 and 155,113

Step by Step Solution

1. Step 1: Write the proportion equation
   70,172 : 155,113 = 155,113 : x
2. Step 2: Convert to fraction form
   70,172/155,113 = 155,113/x
3. Step 3: Cross multiply
   70,172x = 155,113 × 155,113
4. Step 4: Simplify right side
   70,172x = 24,060,042,769
5. Step 5: Solve for x
   x = 24,060,042,769/70,172
6. Step 6: Final answer
   x = 342,872.41