Finding the Third Proportional to 2,587,425,192 and 5,628,194,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,425,192 : 5,628,194,640 = 5,628,194,640 : x
2. Step 2: Convert to fraction form
   2,587,425,192/5,628,194,640 = 5,628,194,640/x
3. Step 3: Cross multiply
   2,587,425,192x = 5,628,194,640 × 5,628,194,640
4. Step 4: Simplify right side
   2,587,425,192x = 31,676,574,905,724,731,392
5. Step 5: Solve for x
   x = 31,676,574,905,724,731,392/2,587,425,192
6. Step 6: Final answer
   x = 12,242,508,499.83