Finding the Third Proportional to 138,484 and 301,264

Step by Step Solution

1. Step 1: Write the proportion equation
   138,484 : 301,264 = 301,264 : x
2. Step 2: Convert to fraction form
   138,484/301,264 = 301,264/x
3. Step 3: Cross multiply
   138,484x = 301,264 × 301,264
4. Step 4: Simplify right side
   138,484x = 90,759,997,696
5. Step 5: Solve for x
   x = 90,759,997,696/138,484
6. Step 6: Final answer
   x = 655,382.55