Finding the Third Proportional to 65,518.88 and 99,493.31

Step by Step Solution

1. Step 1: Write the proportion equation
   65,518.88 : 99,493.31 = 99,493.31 : x
2. Step 2: Convert to fraction form
   65,518.88/99,493.31 = 99,493.31/x
3. Step 3: Cross multiply
   65,518.88x = 99,493.31 × 99,493.31
4. Step 4: Simplify right side
   65,518.88x = 9,898,919,232.22
5. Step 5: Solve for x
   x = 9,898,919,232.22/65,518.88
6. Step 6: Final answer
   x = 151,085.00