Finding the Third Proportional to 30,306 and 70,787.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,306 : 70,787.25 = 70,787.25 : x
2. Step 2: Convert to fraction form
   30,306/70,787.25 = 70,787.25/x
3. Step 3: Cross multiply
   30,306x = 70,787.25 × 70,787.25
4. Step 4: Simplify right side
   30,306x = 5,010,834,762.56
5. Step 5: Solve for x
   x = 5,010,834,762.56/30,306
6. Step 6: Final answer
   x = 165,341.34