Finding the Third Proportional to 977,055 and 2,121,222

Step by Step Solution

1. Step 1: Write the proportion equation
   977,055 : 2,121,222 = 2,121,222 : x
2. Step 2: Convert to fraction form
   977,055/2,121,222 = 2,121,222/x
3. Step 3: Cross multiply
   977,055x = 2,121,222 × 2,121,222
4. Step 4: Simplify right side
   977,055x = 4,499,582,773,284
5. Step 5: Solve for x
   x = 4,499,582,773,284/977,055
6. Step 6: Final answer
   x = 4,605,250.24