Finding the Third Proportional to 762,411 and 1,118,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   762,411 : 1,118,146.50 = 1,118,146.50 : x
2. Step 2: Convert to fraction form
   762,411/1,118,146.50 = 1,118,146.50/x
3. Step 3: Cross multiply
   762,411x = 1,118,146.50 × 1,118,146.50
4. Step 4: Simplify right side
   762,411x = 1,250,251,595,462.25
5. Step 5: Solve for x
   x = 1,250,251,595,462.25/762,411
6. Step 6: Final answer
   x = 1,639,865.63