Finding the Third Proportional to 65,056.50 and 100,539

Step by Step Solution

1. Step 1: Write the proportion equation
   65,056.50 : 100,539 = 100,539 : x
2. Step 2: Convert to fraction form
   65,056.50/100,539 = 100,539/x
3. Step 3: Cross multiply
   65,056.50x = 100,539 × 100,539
4. Step 4: Simplify right side
   65,056.50x = 10,108,090,521
5. Step 5: Solve for x
   x = 10,108,090,521/65,056.50
6. Step 6: Final answer
   x = 155,374.03