Finding the Third Proportional to 148,294 and 307,108

Step by Step Solution

1. Step 1: Write the proportion equation
   148,294 : 307,108 = 307,108 : x
2. Step 2: Convert to fraction form
   148,294/307,108 = 307,108/x
3. Step 3: Cross multiply
   148,294x = 307,108 × 307,108
4. Step 4: Simplify right side
   148,294x = 94,315,323,664
5. Step 5: Solve for x
   x = 94,315,323,664/148,294
6. Step 6: Final answer
   x = 636,002.29