Finding the Third Proportional to 69,134.50 and 147,746

Step by Step Solution

1. Step 1: Write the proportion equation
   69,134.50 : 147,746 = 147,746 : x
2. Step 2: Convert to fraction form
   69,134.50/147,746 = 147,746/x
3. Step 3: Cross multiply
   69,134.50x = 147,746 × 147,746
4. Step 4: Simplify right side
   69,134.50x = 21,828,880,516
5. Step 5: Solve for x
   x = 21,828,880,516/69,134.50
6. Step 6: Final answer
   x = 315,745.11