Finding the Third Proportional to 148,294.50 and 307,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,294.50 : 307,108.50 = 307,108.50 : x
2. Step 2: Convert to fraction form
   148,294.50/307,108.50 = 307,108.50/x
3. Step 3: Cross multiply
   148,294.50x = 307,108.50 × 307,108.50
4. Step 4: Simplify right side
   148,294.50x = 94,315,630,772.25
5. Step 5: Solve for x
   x = 94,315,630,772.25/148,294.50
6. Step 6: Final answer
   x = 636,002.22