Finding the Third Proportional to 69,052.50 and 141,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,052.50 : 141,007.50 = 141,007.50 : x
2. Step 2: Convert to fraction form
   69,052.50/141,007.50 = 141,007.50/x
3. Step 3: Cross multiply
   69,052.50x = 141,007.50 × 141,007.50
4. Step 4: Simplify right side
   69,052.50x = 19,883,115,056.25
5. Step 5: Solve for x
   x = 19,883,115,056.25/69,052.50
6. Step 6: Final answer
   x = 287,942.00