Finding the Third Proportional to 139,969.50 and 302,034

Step by Step Solution

1. Step 1: Write the proportion equation
   139,969.50 : 302,034 = 302,034 : x
2. Step 2: Convert to fraction form
   139,969.50/302,034 = 302,034/x
3. Step 3: Cross multiply
   139,969.50x = 302,034 × 302,034
4. Step 4: Simplify right side
   139,969.50x = 91,224,537,156
5. Step 5: Solve for x
   x = 91,224,537,156/139,969.50
6. Step 6: Final answer
   x = 651,745.82