Finding the Third Proportional to 30,030.67 and 64,469.51

Step by Step Solution

1. Step 1: Write the proportion equation
   30,030.67 : 64,469.51 = 64,469.51 : x
2. Step 2: Convert to fraction form
   30,030.67/64,469.51 = 64,469.51/x
3. Step 3: Cross multiply
   30,030.67x = 64,469.51 × 64,469.51
4. Step 4: Simplify right side
   30,030.67x = 4,156,318,193.09
5. Step 5: Solve for x
   x = 4,156,318,193.09/30,030.67
6. Step 6: Final answer
   x = 138,402.44