Finding the Third Proportional to 812,258 and 1,872,053

Step by Step Solution

1. Step 1: Write the proportion equation
   812,258 : 1,872,053 = 1,872,053 : x
2. Step 2: Convert to fraction form
   812,258/1,872,053 = 1,872,053/x
3. Step 3: Cross multiply
   812,258x = 1,872,053 × 1,872,053
4. Step 4: Simplify right side
   812,258x = 3,504,582,434,809
5. Step 5: Solve for x
   x = 3,504,582,434,809/812,258
6. Step 6: Final answer
   x = 4,314,617.32