Finding the Third Proportional to 404,893,138,184 and 870,721,301,392

Step by Step Solution

1. Step 1: Write the proportion equation
   404,893,138,184 : 870,721,301,392 = 870,721,301,392 : x
2. Step 2: Convert to fraction form
   404,893,138,184/870,721,301,392 = 870,721,301,392/x
3. Step 3: Cross multiply
   404,893,138,184x = 870,721,301,392 × 870,721,301,392
4. Step 4: Simplify right side
   404,893,138,184x = 758,155,584,697,778,034,442,240
5. Step 5: Solve for x
   x = 758,155,584,697,778,034,442,240/404,893,138,184
6. Step 6: Final answer
   x = 1,872,483,164,565.86