Finding the Third Proportional to 262,423,693.69 and 563,791,699.69

Step by Step Solution

1. Step 1: Write the proportion equation
   262,423,693.69 : 563,791,699.69 = 563,791,699.69 : x
2. Step 2: Convert to fraction form
   262,423,693.69/563,791,699.69 = 563,791,699.69/x
3. Step 3: Cross multiply
   262,423,693.69x = 563,791,699.69 × 563,791,699.69
4. Step 4: Simplify right side
   262,423,693.69x = 317,861,080,636,520,192
5. Step 5: Solve for x
   x = 317,861,080,636,520,192/262,423,693.69
6. Step 6: Final answer
   x = 1,211,251,454.36