Finding the Third Proportional to 61,209 and 143,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,209 : 143,005.50 = 143,005.50 : x
2. Step 2: Convert to fraction form
   61,209/143,005.50 = 143,005.50/x
3. Step 3: Cross multiply
   61,209x = 143,005.50 × 143,005.50
4. Step 4: Simplify right side
   61,209x = 20,450,573,030.25
5. Step 5: Solve for x
   x = 20,450,573,030.25/61,209
6. Step 6: Final answer
   x = 334,110.56