Finding the Third Proportional to 1,505,213 and 2,145,703

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505,213 : 2,145,703 = 2,145,703 : x
2. Step 2: Convert to fraction form
   1,505,213/2,145,703 = 2,145,703/x
3. Step 3: Cross multiply
   1,505,213x = 2,145,703 × 2,145,703
4. Step 4: Simplify right side
   1,505,213x = 4,604,041,364,209
5. Step 5: Solve for x
   x = 4,604,041,364,209/1,505,213
6. Step 6: Final answer
   x = 3,058,730.80