Finding the Third Proportional to 100,607,382 and 215,557,116

Step by Step Solution

1. Step 1: Write the proportion equation
   100,607,382 : 215,557,116 = 215,557,116 : x
2. Step 2: Convert to fraction form
   100,607,382/215,557,116 = 215,557,116/x
3. Step 3: Cross multiply
   100,607,382x = 215,557,116 × 215,557,116
4. Step 4: Simplify right side
   100,607,382x = 46,464,870,258,237,456
5. Step 5: Solve for x
   x = 46,464,870,258,237,456/100,607,382
6. Step 6: Final answer
   x = 461,843,548.00