Finding the Third Proportional to 31,381,008 and 73,279,986

Step by Step Solution

1. Step 1: Write the proportion equation
   31,381,008 : 73,279,986 = 73,279,986 : x
2. Step 2: Convert to fraction form
   31,381,008/73,279,986 = 73,279,986/x
3. Step 3: Cross multiply
   31,381,008x = 73,279,986 × 73,279,986
4. Step 4: Simplify right side
   31,381,008x = 5,369,956,348,160,196
5. Step 5: Solve for x
   x = 5,369,956,348,160,196/31,381,008
6. Step 6: Final answer
   x = 171,121,219.18