Finding the Third Proportional to 34,425 and 72,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,425 : 72,985.50 = 72,985.50 : x
2. Step 2: Convert to fraction form
   34,425/72,985.50 = 72,985.50/x
3. Step 3: Cross multiply
   34,425x = 72,985.50 × 72,985.50
4. Step 4: Simplify right side
   34,425x = 5,326,883,210.25
5. Step 5: Solve for x
   x = 5,326,883,210.25/34,425
6. Step 6: Final answer
   x = 154,738.80