Finding the Third Proportional to 65,246 and 139,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,246 : 139,037.50 = 139,037.50 : x
2. Step 2: Convert to fraction form
   65,246/139,037.50 = 139,037.50/x
3. Step 3: Cross multiply
   65,246x = 139,037.50 × 139,037.50
4. Step 4: Simplify right side
   65,246x = 19,331,426,406.25
5. Step 5: Solve for x
   x = 19,331,426,406.25/65,246
6. Step 6: Final answer
   x = 296,285.23