Finding the Third Proportional to 317,910,105 and 429,389,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   317,910,105 : 429,389,713.50 = 429,389,713.50 : x
2. Step 2: Convert to fraction form
   317,910,105/429,389,713.50 = 429,389,713.50/x
3. Step 3: Cross multiply
   317,910,105x = 429,389,713.50 × 429,389,713.50
4. Step 4: Simplify right side
   317,910,105x = 184,375,526,059,612,096
5. Step 5: Solve for x
   x = 184,375,526,059,612,096/317,910,105
6. Step 6: Final answer
   x = 579,961,200.23