Finding the Third Proportional to 63,154.69 and 138,196.13

Step by Step Solution

1. Step 1: Write the proportion equation
   63,154.69 : 138,196.13 = 138,196.13 : x
2. Step 2: Convert to fraction form
   63,154.69/138,196.13 = 138,196.13/x
3. Step 3: Cross multiply
   63,154.69x = 138,196.13 × 138,196.13
4. Step 4: Simplify right side
   63,154.69x = 19,098,168,965.02
5. Step 5: Solve for x
   x = 19,098,168,965.02/63,154.69
6. Step 6: Final answer
   x = 302,403.03