Finding the Third Proportional to 68,131.13 and 99,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,131.13 : 99,994.50 = 99,994.50 : x
2. Step 2: Convert to fraction form
   68,131.13/99,994.50 = 99,994.50/x
3. Step 3: Cross multiply
   68,131.13x = 99,994.50 × 99,994.50
4. Step 4: Simplify right side
   68,131.13x = 9,998,900,030.25
5. Step 5: Solve for x
   x = 9,998,900,030.25/68,131.13
6. Step 6: Final answer
   x = 146,759.65