Finding the Third Proportional to 151,378,140 and 331,414,710

Step by Step Solution

1. Step 1: Write the proportion equation
   151,378,140 : 331,414,710 = 331,414,710 : x
2. Step 2: Convert to fraction form
   151,378,140/331,414,710 = 331,414,710/x
3. Step 3: Cross multiply
   151,378,140x = 331,414,710 × 331,414,710
4. Step 4: Simplify right side
   151,378,140x = 109,835,710,004,384,096
5. Step 5: Solve for x
   x = 109,835,710,004,384,096/151,378,140
6. Step 6: Final answer
   x = 725,571,803.20