Finding the Third Proportional to 554,397 and 1,191,613.50

Step by Step Solution

1. Step 1: Write the proportion equation
   554,397 : 1,191,613.50 = 1,191,613.50 : x
2. Step 2: Convert to fraction form
   554,397/1,191,613.50 = 1,191,613.50/x
3. Step 3: Cross multiply
   554,397x = 1,191,613.50 × 1,191,613.50
4. Step 4: Simplify right side
   554,397x = 1,419,942,733,382.25
5. Step 5: Solve for x
   x = 1,419,942,733,382.25/554,397
6. Step 6: Final answer
   x = 2,561,238.13