Finding the Third Proportional to 55,525,994,901 and 84,590,012,412

Step by Step Solution

1. Step 1: Write the proportion equation
   55,525,994,901 : 84,590,012,412 = 84,590,012,412 : x
2. Step 2: Convert to fraction form
   55,525,994,901/84,590,012,412 = 84,590,012,412/x
3. Step 3: Cross multiply
   55,525,994,901x = 84,590,012,412 × 84,590,012,412
4. Step 4: Simplify right side
   55,525,994,901x = 7,155,470,199,862,313,615,360
5. Step 5: Solve for x
   x = 7,155,470,199,862,313,615,360/55,525,994,901
6. Step 6: Final answer
   x = 128,867,032,686.59