Finding the Third Proportional to 149,305,482 and 231,819,123

Step by Step Solution

1. Step 1: Write the proportion equation
   149,305,482 : 231,819,123 = 231,819,123 : x
2. Step 2: Convert to fraction form
   149,305,482/231,819,123 = 231,819,123/x
3. Step 3: Cross multiply
   149,305,482x = 231,819,123 × 231,819,123
4. Step 4: Simplify right side
   149,305,482x = 53,740,105,788,489,128
5. Step 5: Solve for x
   x = 53,740,105,788,489,128/149,305,482
6. Step 6: Final answer
   x = 359,933,909.11