Finding the Third Proportional to 1,128,888 and 2,415,132

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,888 : 2,415,132 = 2,415,132 : x
2. Step 2: Convert to fraction form
   1,128,888/2,415,132 = 2,415,132/x
3. Step 3: Cross multiply
   1,128,888x = 2,415,132 × 2,415,132
4. Step 4: Simplify right side
   1,128,888x = 5,832,862,577,424
5. Step 5: Solve for x
   x = 5,832,862,577,424/1,128,888
6. Step 6: Final answer
   x = 5,166,909.89