Finding the Third Proportional to 835,407 and 1,345,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   835,407 : 1,345,126.50 = 1,345,126.50 : x
2. Step 2: Convert to fraction form
   835,407/1,345,126.50 = 1,345,126.50/x
3. Step 3: Cross multiply
   835,407x = 1,345,126.50 × 1,345,126.50
4. Step 4: Simplify right side
   835,407x = 1,809,365,301,002.25
5. Step 5: Solve for x
   x = 1,809,365,301,002.25/835,407
6. Step 6: Final answer
   x = 2,165,848.86