Finding the Third Proportional to 66,085.88 and 99,741.38

Step by Step Solution

1. Step 1: Write the proportion equation
   66,085.88 : 99,741.38 = 99,741.38 : x
2. Step 2: Convert to fraction form
   66,085.88/99,741.38 = 99,741.38/x
3. Step 3: Cross multiply
   66,085.88x = 99,741.38 × 99,741.38
4. Step 4: Simplify right side
   66,085.88x = 9,948,341,886.89
5. Step 5: Solve for x
   x = 9,948,341,886.89/66,085.88
6. Step 6: Final answer
   x = 150,536.58