Finding the Third Proportional to 35,278 and 73,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,278 : 73,431.50 = 73,431.50 : x
2. Step 2: Convert to fraction form
   35,278/73,431.50 = 73,431.50/x
3. Step 3: Cross multiply
   35,278x = 73,431.50 × 73,431.50
4. Step 4: Simplify right side
   35,278x = 5,392,185,192.25
5. Step 5: Solve for x
   x = 5,392,185,192.25/35,278
6. Step 6: Final answer
   x = 152,848.38