Finding the Third Proportional to 762,408 and 1,118,148

Step by Step Solution

1. Step 1: Write the proportion equation
   762,408 : 1,118,148 = 1,118,148 : x
2. Step 2: Convert to fraction form
   762,408/1,118,148 = 1,118,148/x
3. Step 3: Cross multiply
   762,408x = 1,118,148 × 1,118,148
4. Step 4: Simplify right side
   762,408x = 1,250,254,949,904
5. Step 5: Solve for x
   x = 1,250,254,949,904/762,408
6. Step 6: Final answer
   x = 1,639,876.48