Finding the Third Proportional to 661,876 and 1,445,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   661,876 : 1,445,131.50 = 1,445,131.50 : x
2. Step 2: Convert to fraction form
   661,876/1,445,131.50 = 1,445,131.50/x
3. Step 3: Cross multiply
   661,876x = 1,445,131.50 × 1,445,131.50
4. Step 4: Simplify right side
   661,876x = 2,088,405,052,292.25
5. Step 5: Solve for x
   x = 2,088,405,052,292.25/661,876
6. Step 6: Final answer
   x = 3,155,281.43