Finding the Third Proportional to 2,508,432 and 5,516,280

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508,432 : 5,516,280 = 5,516,280 : x
2. Step 2: Convert to fraction form
   2,508,432/5,516,280 = 5,516,280/x
3. Step 3: Cross multiply
   2,508,432x = 5,516,280 × 5,516,280
4. Step 4: Simplify right side
   2,508,432x = 30,429,345,038,400
5. Step 5: Solve for x
   x = 30,429,345,038,400/2,508,432
6. Step 6: Final answer
   x = 12,130,823.17