Finding the Third Proportional to 1,772,488 and 3,865,776

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772,488 : 3,865,776 = 3,865,776 : x
2. Step 2: Convert to fraction form
   1,772,488/3,865,776 = 3,865,776/x
3. Step 3: Cross multiply
   1,772,488x = 3,865,776 × 3,865,776
4. Step 4: Simplify right side
   1,772,488x = 14,944,224,082,176
5. Step 5: Solve for x
   x = 14,944,224,082,176/1,772,488
6. Step 6: Final answer
   x = 8,431,213.12