Finding the Third Proportional to 163,612.50 and 342,048

Step by Step Solution

1. Step 1: Write the proportion equation
   163,612.50 : 342,048 = 342,048 : x
2. Step 2: Convert to fraction form
   163,612.50/342,048 = 342,048/x
3. Step 3: Cross multiply
   163,612.50x = 342,048 × 342,048
4. Step 4: Simplify right side
   163,612.50x = 116,996,834,304
5. Step 5: Solve for x
   x = 116,996,834,304/163,612.50
6. Step 6: Final answer
   x = 715,084.94