Finding the Third Proportional to 67,051.50 and 139,614

Step by Step Solution

1. Step 1: Write the proportion equation
   67,051.50 : 139,614 = 139,614 : x
2. Step 2: Convert to fraction form
   67,051.50/139,614 = 139,614/x
3. Step 3: Cross multiply
   67,051.50x = 139,614 × 139,614
4. Step 4: Simplify right side
   67,051.50x = 19,492,068,996
5. Step 5: Solve for x
   x = 19,492,068,996/67,051.50
6. Step 6: Final answer
   x = 290,702.95