Finding the Third Proportional to 8,240,903 and 12,123,102

Step by Step Solution

1. Step 1: Write the proportion equation
   8,240,903 : 12,123,102 = 12,123,102 : x
2. Step 2: Convert to fraction form
   8,240,903/12,123,102 = 12,123,102/x
3. Step 3: Cross multiply
   8,240,903x = 12,123,102 × 12,123,102
4. Step 4: Simplify right side
   8,240,903x = 146,969,602,102,404
5. Step 5: Solve for x
   x = 146,969,602,102,404/8,240,903
6. Step 6: Final answer
   x = 17,834,162.36