Finding the Third Proportional to 129,870.25 and 194,282.63

Step by Step Solution

1. Step 1: Write the proportion equation
   129,870.25 : 194,282.63 = 194,282.63 : x
2. Step 2: Convert to fraction form
   129,870.25/194,282.63 = 194,282.63/x
3. Step 3: Cross multiply
   129,870.25x = 194,282.63 × 194,282.63
4. Step 4: Simplify right side
   129,870.25x = 37,745,738,376.89
5. Step 5: Solve for x
   x = 37,745,738,376.89/129,870.25
6. Step 6: Final answer
   x = 290,641.92