Finding the Third Proportional to 70,509 and 153,880.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,509 : 153,880.50 = 153,880.50 : x
2. Step 2: Convert to fraction form
   70,509/153,880.50 = 153,880.50/x
3. Step 3: Cross multiply
   70,509x = 153,880.50 × 153,880.50
4. Step 4: Simplify right side
   70,509x = 23,679,208,280.25
5. Step 5: Solve for x
   x = 23,679,208,280.25/70,509
6. Step 6: Final answer
   x = 335,832.42