Finding the Third Proportional to 812,641 and 1,260,046

Step by Step Solution

1. Step 1: Write the proportion equation
   812,641 : 1,260,046 = 1,260,046 : x
2. Step 2: Convert to fraction form
   812,641/1,260,046 = 1,260,046/x
3. Step 3: Cross multiply
   812,641x = 1,260,046 × 1,260,046
4. Step 4: Simplify right side
   812,641x = 1,587,715,922,116
5. Step 5: Solve for x
   x = 1,587,715,922,116/812,641
6. Step 6: Final answer
   x = 1,953,772.85