Finding the Third Proportional to 1,977,216 and 4,316,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977,216 : 4,316,880 = 4,316,880 : x
2. Step 2: Convert to fraction form
   1,977,216/4,316,880 = 4,316,880/x
3. Step 3: Cross multiply
   1,977,216x = 4,316,880 × 4,316,880
4. Step 4: Simplify right side
   1,977,216x = 18,635,452,934,400
5. Step 5: Solve for x
   x = 18,635,452,934,400/1,977,216
6. Step 6: Final answer
   x = 9,425,097.17