Finding the Third Proportional to 812,850 and 1,265,796

Step by Step Solution

1. Step 1: Write the proportion equation
   812,850 : 1,265,796 = 1,265,796 : x
2. Step 2: Convert to fraction form
   812,850/1,265,796 = 1,265,796/x
3. Step 3: Cross multiply
   812,850x = 1,265,796 × 1,265,796
4. Step 4: Simplify right side
   812,850x = 1,602,239,513,616
5. Step 5: Solve for x
   x = 1,602,239,513,616/812,850
6. Step 6: Final answer
   x = 1,971,137.99