Finding the Third Proportional to 661,870.13 and 1,445,119.88

Step by Step Solution

1. Step 1: Write the proportion equation
   661,870.13 : 1,445,119.88 = 1,445,119.88 : x
2. Step 2: Convert to fraction form
   661,870.13/1,445,119.88 = 1,445,119.88/x
3. Step 3: Cross multiply
   661,870.13x = 1,445,119.88 × 1,445,119.88
4. Step 4: Simplify right side
   661,870.13x = 2,088,371,453,120.02
5. Step 5: Solve for x
   x = 2,088,371,453,120.02/661,870.13
6. Step 6: Final answer
   x = 3,155,258.67