Finding the Third Proportional to 29,730 and 64,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,730 : 64,360.50 = 64,360.50 : x
2. Step 2: Convert to fraction form
   29,730/64,360.50 = 64,360.50/x
3. Step 3: Cross multiply
   29,730x = 64,360.50 × 64,360.50
4. Step 4: Simplify right side
   29,730x = 4,142,273,960.25
5. Step 5: Solve for x
   x = 4,142,273,960.25/29,730
6. Step 6: Final answer
   x = 139,329.77