Finding the Third Proportional to 412,186,437 and 888,941,123

Step by Step Solution

1. Step 1: Write the proportion equation
   412,186,437 : 888,941,123 = 888,941,123 : x
2. Step 2: Convert to fraction form
   412,186,437/888,941,123 = 888,941,123/x
3. Step 3: Cross multiply
   412,186,437x = 888,941,123 × 888,941,123
4. Step 4: Simplify right side
   412,186,437x = 790,216,320,160,501,120
5. Step 5: Solve for x
   x = 790,216,320,160,501,120/412,186,437
6. Step 6: Final answer
   x = 1,917,133,241.72