Finding the Third Proportional to 141,382 and 307,640.75

Step by Step Solution

1. Step 1: Write the proportion equation
   141,382 : 307,640.75 = 307,640.75 : x
2. Step 2: Convert to fraction form
   141,382/307,640.75 = 307,640.75/x
3. Step 3: Cross multiply
   141,382x = 307,640.75 × 307,640.75
4. Step 4: Simplify right side
   141,382x = 94,642,831,060.56
5. Step 5: Solve for x
   x = 94,642,831,060.56/141,382
6. Step 6: Final answer
   x = 669,412.17