Finding the Third Proportional to 31,381,004.81 and 73,279,976.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,381,004.81 : 73,279,976.06 = 73,279,976.06 : x
2. Step 2: Convert to fraction form
   31,381,004.81/73,279,976.06 = 73,279,976.06/x
3. Step 3: Cross multiply
   31,381,004.81x = 73,279,976.06 × 73,279,976.06
4. Step 4: Simplify right side
   31,381,004.81x = 5,369,954,891,720,573
5. Step 5: Solve for x
   x = 5,369,954,891,720,573/31,381,004.81
6. Step 6: Final answer
   x = 171,121,190.15