Finding the Third Proportional to 120,011,372 and 261,828,314

Step by Step Solution

1. Step 1: Write the proportion equation
   120,011,372 : 261,828,314 = 261,828,314 : x
2. Step 2: Convert to fraction form
   120,011,372/261,828,314 = 261,828,314/x
3. Step 3: Cross multiply
   120,011,372x = 261,828,314 × 261,828,314
4. Step 4: Simplify right side
   120,011,372x = 68,554,066,012,082,592
5. Step 5: Solve for x
   x = 68,554,066,012,082,592/120,011,372
6. Step 6: Final answer
   x = 571,229,749.89