Finding the Third Proportional to 442,572,140 and 965,239,499

Step by Step Solution

1. Step 1: Write the proportion equation
   442,572,140 : 965,239,499 = 965,239,499 : x
2. Step 2: Convert to fraction form
   442,572,140/965,239,499 = 965,239,499/x
3. Step 3: Cross multiply
   442,572,140x = 965,239,499 × 965,239,499
4. Step 4: Simplify right side
   442,572,140x = 931,687,290,429,771,008
5. Step 5: Solve for x
   x = 931,687,290,429,771,008/442,572,140
6. Step 6: Final answer
   x = 2,105,164,799.64