Finding the Third Proportional to 612,068,967 and 1,328,055,399

Step by Step Solution

1. Step 1: Write the proportion equation
   612,068,967 : 1,328,055,399 = 1,328,055,399 : x
2. Step 2: Convert to fraction form
   612,068,967/1,328,055,399 = 1,328,055,399/x
3. Step 3: Cross multiply
   612,068,967x = 1,328,055,399 × 1,328,055,399
4. Step 4: Simplify right side
   612,068,967x = 1,763,731,142,813,049,088
5. Step 5: Solve for x
   x = 1,763,731,142,813,049,088/612,068,967
6. Step 6: Final answer
   x = 2,881,588,902.40