Finding the Third Proportional to 822,129,558 and 1,687,842,699

Step by Step Solution

1. Step 1: Write the proportion equation
   822,129,558 : 1,687,842,699 = 1,687,842,699 : x
2. Step 2: Convert to fraction form
   822,129,558/1,687,842,699 = 1,687,842,699/x
3. Step 3: Cross multiply
   822,129,558x = 1,687,842,699 × 1,687,842,699
4. Step 4: Simplify right side
   822,129,558x = 2,848,812,976,567,604,736
5. Step 5: Solve for x
   x = 2,848,812,976,567,604,736/822,129,558
6. Step 6: Final answer
   x = 3,465,163,062.01