Finding the Third Proportional to 67,870.69 and 149,068.69

Step by Step Solution

1. Step 1: Write the proportion equation
   67,870.69 : 149,068.69 = 149,068.69 : x
2. Step 2: Convert to fraction form
   67,870.69/149,068.69 = 149,068.69/x
3. Step 3: Cross multiply
   67,870.69x = 149,068.69 × 149,068.69
4. Step 4: Simplify right side
   67,870.69x = 22,221,473,592.97
5. Step 5: Solve for x
   x = 22,221,473,592.97/67,870.69
6. Step 6: Final answer
   x = 327,409.00