Finding the Third Proportional to 450,090 and 977,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   450,090 : 977,458.50 = 977,458.50 : x
2. Step 2: Convert to fraction form
   450,090/977,458.50 = 977,458.50/x
3. Step 3: Cross multiply
   450,090x = 977,458.50 × 977,458.50
4. Step 4: Simplify right side
   450,090x = 955,425,119,222.25
5. Step 5: Solve for x
   x = 955,425,119,222.25/450,090
6. Step 6: Final answer
   x = 2,122,742.38