Finding the Third Proportional to 72,670.50 and 98,637.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,670.50 : 98,637.75 = 98,637.75 : x
2. Step 2: Convert to fraction form
   72,670.50/98,637.75 = 98,637.75/x
3. Step 3: Cross multiply
   72,670.50x = 98,637.75 × 98,637.75
4. Step 4: Simplify right side
   72,670.50x = 9,729,405,725.06
5. Step 5: Solve for x
   x = 9,729,405,725.06/72,670.50
6. Step 6: Final answer
   x = 133,883.84