Finding the Third Proportional to 689,093,354 and 1,059,185,973

Step by Step Solution

1. Step 1: Write the proportion equation
   689,093,354 : 1,059,185,973 = 1,059,185,973 : x
2. Step 2: Convert to fraction form
   689,093,354/1,059,185,973 = 1,059,185,973/x
3. Step 3: Cross multiply
   689,093,354x = 1,059,185,973 × 1,059,185,973
4. Step 4: Simplify right side
   689,093,354x = 1,121,874,925,399,956,736
5. Step 5: Solve for x
   x = 1,121,874,925,399,956,736/689,093,354
6. Step 6: Final answer
   x = 1,628,044,906.96