Finding the Third Proportional to 1,253,484 and 1,909,602

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,484 : 1,909,602 = 1,909,602 : x
2. Step 2: Convert to fraction form
   1,253,484/1,909,602 = 1,909,602/x
3. Step 3: Cross multiply
   1,253,484x = 1,909,602 × 1,909,602
4. Step 4: Simplify right side
   1,253,484x = 3,646,579,798,404
5. Step 5: Solve for x
   x = 3,646,579,798,404/1,253,484
6. Step 6: Final answer
   x = 2,909,155.44