Finding the Third Proportional to 2,928,690,911.75 and 4,461,558,007.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928,690,911.75 : 4,461,558,007.25 = 4,461,558,007.25 : x
2. Step 2: Convert to fraction form
   2,928,690,911.75/4,461,558,007.25 = 4,461,558,007.25/x
3. Step 3: Cross multiply
   2,928,690,911.75x = 4,461,558,007.25 × 4,461,558,007.25
4. Step 4: Simplify right side
   2,928,690,911.75x = 19,905,499,852,056,592,384
5. Step 5: Solve for x
   x = 19,905,499,852,056,592,384/2,928,690,911.75
6. Step 6: Final answer
   x = 6,796,722,649.08