Finding the Third Proportional to 111,045 and 145,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,045 : 145,792.50 = 145,792.50 : x
2. Step 2: Convert to fraction form
   111,045/145,792.50 = 145,792.50/x
3. Step 3: Cross multiply
   111,045x = 145,792.50 × 145,792.50
4. Step 4: Simplify right side
   111,045x = 21,255,453,056.25
5. Step 5: Solve for x
   x = 21,255,453,056.25/111,045
6. Step 6: Final answer
   x = 191,412.97