Finding the Third Proportional to 850,861,212 and 1,850,802,168

Step by Step Solution

1. Step 1: Write the proportion equation
   850,861,212 : 1,850,802,168 = 1,850,802,168 : x
2. Step 2: Convert to fraction form
   850,861,212/1,850,802,168 = 1,850,802,168/x
3. Step 3: Cross multiply
   850,861,212x = 1,850,802,168 × 1,850,802,168
4. Step 4: Simplify right side
   850,861,212x = 3,425,468,665,073,500,160
5. Step 5: Solve for x
   x = 3,425,468,665,073,500,160/850,861,212
6. Step 6: Final answer
   x = 4,025,884,147.45