Finding the Third Proportional to 1,772,664 and 3,866,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772,664 : 3,866,061 = 3,866,061 : x
2. Step 2: Convert to fraction form
   1,772,664/3,866,061 = 3,866,061/x
3. Step 3: Cross multiply
   1,772,664x = 3,866,061 × 3,866,061
4. Step 4: Simplify right side
   1,772,664x = 14,946,427,655,721
5. Step 5: Solve for x
   x = 14,946,427,655,721/1,772,664
6. Step 6: Final answer
   x = 8,431,619.11