Finding the Third Proportional to 1,003,478 and 1,430,473

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,478 : 1,430,473 = 1,430,473 : x
2. Step 2: Convert to fraction form
   1,003,478/1,430,473 = 1,430,473/x
3. Step 3: Cross multiply
   1,003,478x = 1,430,473 × 1,430,473
4. Step 4: Simplify right side
   1,003,478x = 2,046,253,003,729
5. Step 5: Solve for x
   x = 2,046,253,003,729/1,003,478
6. Step 6: Final answer
   x = 2,039,160.80