Finding the Third Proportional to 68,835.38 and 141,376.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,835.38 : 141,376.50 = 141,376.50 : x
2. Step 2: Convert to fraction form
   68,835.38/141,376.50 = 141,376.50/x
3. Step 3: Cross multiply
   68,835.38x = 141,376.50 × 141,376.50
4. Step 4: Simplify right side
   68,835.38x = 19,987,314,752.25
5. Step 5: Solve for x
   x = 19,987,314,752.25/68,835.38
6. Step 6: Final answer
   x = 290,364.00