Finding the Third Proportional to 763,990,275.50 and 1,636,892,719

Step by Step Solution

1. Step 1: Write the proportion equation
   763,990,275.50 : 1,636,892,719 = 1,636,892,719 : x
2. Step 2: Convert to fraction form
   763,990,275.50/1,636,892,719 = 1,636,892,719/x
3. Step 3: Cross multiply
   763,990,275.50x = 1,636,892,719 × 1,636,892,719
4. Step 4: Simplify right side
   763,990,275.50x = 2,679,417,773,515,212,800
5. Step 5: Solve for x
   x = 2,679,417,773,515,212,800/763,990,275.50
6. Step 6: Final answer
   x = 3,507,135,966.83