Finding the Third Proportional to 948,446 and 1,422,688

Step by Step Solution

1. Step 1: Write the proportion equation
   948,446 : 1,422,688 = 1,422,688 : x
2. Step 2: Convert to fraction form
   948,446/1,422,688 = 1,422,688/x
3. Step 3: Cross multiply
   948,446x = 1,422,688 × 1,422,688
4. Step 4: Simplify right side
   948,446x = 2,024,041,145,344
5. Step 5: Solve for x
   x = 2,024,041,145,344/948,446
6. Step 6: Final answer
   x = 2,134,060.50