Finding the Third Proportional to 748,118 and 1,549,453

Step by Step Solution

1. Step 1: Write the proportion equation
   748,118 : 1,549,453 = 1,549,453 : x
2. Step 2: Convert to fraction form
   748,118/1,549,453 = 1,549,453/x
3. Step 3: Cross multiply
   748,118x = 1,549,453 × 1,549,453
4. Step 4: Simplify right side
   748,118x = 2,400,804,599,209
5. Step 5: Solve for x
   x = 2,400,804,599,209/748,118
6. Step 6: Final answer
   x = 3,209,125.56