Finding the Third Proportional to 158,099,360 and 342,586,072

Step by Step Solution

1. Step 1: Write the proportion equation
   158,099,360 : 342,586,072 = 342,586,072 : x
2. Step 2: Convert to fraction form
   158,099,360/342,586,072 = 342,586,072/x
3. Step 3: Cross multiply
   158,099,360x = 342,586,072 × 342,586,072
4. Step 4: Simplify right side
   158,099,360x = 117,365,216,728,389,184
5. Step 5: Solve for x
   x = 117,365,216,728,389,184/158,099,360
6. Step 6: Final answer
   x = 742,350,991.99