Finding the Third Proportional to 90,189,560.50 and 193,133,690

Step by Step Solution

1. Step 1: Write the proportion equation
   90,189,560.50 : 193,133,690 = 193,133,690 : x
2. Step 2: Convert to fraction form
   90,189,560.50/193,133,690 = 193,133,690/x
3. Step 3: Cross multiply
   90,189,560.50x = 193,133,690 × 193,133,690
4. Step 4: Simplify right side
   90,189,560.50x = 37,300,622,213,016,096
5. Step 5: Solve for x
   x = 37,300,622,213,016,096/90,189,560.50
6. Step 6: Final answer
   x = 413,580,263.68