Finding the Third Proportional to 67,068 and 139,600.13

Step by Step Solution

1. Step 1: Write the proportion equation
   67,068 : 139,600.13 = 139,600.13 : x
2. Step 2: Convert to fraction form
   67,068/139,600.13 = 139,600.13/x
3. Step 3: Cross multiply
   67,068x = 139,600.13 × 139,600.13
4. Step 4: Simplify right side
   67,068x = 19,488,194,900.02
5. Step 5: Solve for x
   x = 19,488,194,900.02/67,068
6. Step 6: Final answer
   x = 290,573.67