Finding the Third Proportional to 5,516,960 and 8,610,784

Step by Step Solution

1. Step 1: Write the proportion equation
   5,516,960 : 8,610,784 = 8,610,784 : x
2. Step 2: Convert to fraction form
   5,516,960/8,610,784 = 8,610,784/x
3. Step 3: Cross multiply
   5,516,960x = 8,610,784 × 8,610,784
4. Step 4: Simplify right side
   5,516,960x = 74,145,601,094,656
5. Step 5: Solve for x
   x = 74,145,601,094,656/5,516,960
6. Step 6: Final answer
   x = 13,439,575.62