Finding the Third Proportional to 1,112,278.50 and 2,428,434

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,278.50 : 2,428,434 = 2,428,434 : x
2. Step 2: Convert to fraction form
   1,112,278.50/2,428,434 = 2,428,434/x
3. Step 3: Cross multiply
   1,112,278.50x = 2,428,434 × 2,428,434
4. Step 4: Simplify right side
   1,112,278.50x = 5,897,291,692,356
5. Step 5: Solve for x
   x = 5,897,291,692,356/1,112,278.50
6. Step 6: Final answer
   x = 5,301,991.99