Finding the Third Proportional to 215,699,413,175 and 468,942,462,186

Step by Step Solution

1. Step 1: Write the proportion equation
   215,699,413,175 : 468,942,462,186 = 468,942,462,186 : x
2. Step 2: Convert to fraction form
   215,699,413,175/468,942,462,186 = 468,942,462,186/x
3. Step 3: Cross multiply
   215,699,413,175x = 468,942,462,186 × 468,942,462,186
4. Step 4: Simplify right side
   215,699,413,175x = 219,907,032,841,068,027,576,320
5. Step 5: Solve for x
   x = 219,907,032,841,068,027,576,320/215,699,413,175
6. Step 6: Final answer
   x = 1,019,506,866,542.35