Finding the Third Proportional to 108,900,772 and 168,705,150

Step by Step Solution

1. Step 1: Write the proportion equation
   108,900,772 : 168,705,150 = 168,705,150 : x
2. Step 2: Convert to fraction form
   108,900,772/168,705,150 = 168,705,150/x
3. Step 3: Cross multiply
   108,900,772x = 168,705,150 × 168,705,150
4. Step 4: Simplify right side
   108,900,772x = 28,461,427,636,522,500
5. Step 5: Solve for x
   x = 28,461,427,636,522,500/108,900,772
6. Step 6: Final answer
   x = 261,351,936.39