Finding the Third Proportional to 31,055,141.81 and 65,322,903.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,055,141.81 : 65,322,903.09 = 65,322,903.09 : x
2. Step 2: Convert to fraction form
   31,055,141.81/65,322,903.09 = 65,322,903.09/x
3. Step 3: Cross multiply
   31,055,141.81x = 65,322,903.09 × 65,322,903.09
4. Step 4: Simplify right side
   31,055,141.81x = 4,267,081,668,595,453.50
5. Step 5: Solve for x
   x = 4,267,081,668,595,453.50/31,055,141.81
6. Step 6: Final answer
   x = 137,403,386.99