Finding the Third Proportional to 1,977,054 and 4,316,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977,054 : 4,316,556 = 4,316,556 : x
2. Step 2: Convert to fraction form
   1,977,054/4,316,556 = 4,316,556/x
3. Step 3: Cross multiply
   1,977,054x = 4,316,556 × 4,316,556
4. Step 4: Simplify right side
   1,977,054x = 18,632,655,701,136
5. Step 5: Solve for x
   x = 18,632,655,701,136/1,977,054
6. Step 6: Final answer
   x = 9,424,454.62