Finding the Third Proportional to 1,000,476 and 2,190,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,000,476 : 2,190,688 = 2,190,688 : x
2. Step 2: Convert to fraction form
   1,000,476/2,190,688 = 2,190,688/x
3. Step 3: Cross multiply
   1,000,476x = 2,190,688 × 2,190,688
4. Step 4: Simplify right side
   1,000,476x = 4,799,113,913,344
5. Step 5: Solve for x
   x = 4,799,113,913,344/1,000,476
6. Step 6: Final answer
   x = 4,796,830.62