Finding the Third Proportional to 31,303.13 and 64,788.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,303.13 : 64,788.75 = 64,788.75 : x
2. Step 2: Convert to fraction form
   31,303.13/64,788.75 = 64,788.75/x
3. Step 3: Cross multiply
   31,303.13x = 64,788.75 × 64,788.75
4. Step 4: Simplify right side
   31,303.13x = 4,197,582,126.56
5. Step 5: Solve for x
   x = 4,197,582,126.56/31,303.13
6. Step 6: Final answer
   x = 134,094.67