Finding the Third Proportional to 163,620 and 347,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,620 : 347,017.50 = 347,017.50 : x
2. Step 2: Convert to fraction form
   163,620/347,017.50 = 347,017.50/x
3. Step 3: Cross multiply
   163,620x = 347,017.50 × 347,017.50
4. Step 4: Simplify right side
   163,620x = 120,421,145,306.25
5. Step 5: Solve for x
   x = 120,421,145,306.25/163,620
6. Step 6: Final answer
   x = 735,980.60