Finding the Third Proportional to 748,312 and 1,641,500

Step by Step Solution

1. Step 1: Write the proportion equation
   748,312 : 1,641,500 = 1,641,500 : x
2. Step 2: Convert to fraction form
   748,312/1,641,500 = 1,641,500/x
3. Step 3: Cross multiply
   748,312x = 1,641,500 × 1,641,500
4. Step 4: Simplify right side
   748,312x = 2,694,522,250,000
5. Step 5: Solve for x
   x = 2,694,522,250,000/748,312
6. Step 6: Final answer
   x = 3,600,800.54