Finding the Third Proportional to 100,611,492 and 215,567,112

Step by Step Solution

1. Step 1: Write the proportion equation
   100,611,492 : 215,567,112 = 215,567,112 : x
2. Step 2: Convert to fraction form
   100,611,492/215,567,112 = 215,567,112/x
3. Step 3: Cross multiply
   100,611,492x = 215,567,112 × 215,567,112
4. Step 4: Simplify right side
   100,611,492x = 46,469,179,776,020,544
5. Step 5: Solve for x
   x = 46,469,179,776,020,544/100,611,492
6. Step 6: Final answer
   x = 461,867,514.86