Finding the Third Proportional to 30,029.50 and 69,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,029.50 : 69,510.50 = 69,510.50 : x
2. Step 2: Convert to fraction form
   30,029.50/69,510.50 = 69,510.50/x
3. Step 3: Cross multiply
   30,029.50x = 69,510.50 × 69,510.50
4. Step 4: Simplify right side
   30,029.50x = 4,831,709,610.25
5. Step 5: Solve for x
   x = 4,831,709,610.25/30,029.50
6. Step 6: Final answer
   x = 160,898.77