Finding the Third Proportional to 100,860 and 133,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,860 : 133,792.50 = 133,792.50 : x
2. Step 2: Convert to fraction form
   100,860/133,792.50 = 133,792.50/x
3. Step 3: Cross multiply
   100,860x = 133,792.50 × 133,792.50
4. Step 4: Simplify right side
   100,860x = 17,900,433,056.25
5. Step 5: Solve for x
   x = 17,900,433,056.25/100,860
6. Step 6: Final answer
   x = 177,478.02