Finding the Third Proportional to 47,950.31 and 64,918.13

Step by Step Solution

1. Step 1: Write the proportion equation
   47,950.31 : 64,918.13 = 64,918.13 : x
2. Step 2: Convert to fraction form
   47,950.31/64,918.13 = 64,918.13/x
3. Step 3: Cross multiply
   47,950.31x = 64,918.13 × 64,918.13
4. Step 4: Simplify right side
   47,950.31x = 4,214,362,953.52
5. Step 5: Solve for x
   x = 4,214,362,953.52/47,950.31
6. Step 6: Final answer
   x = 87,890.21