Finding the Third Proportional to 5,665,440 and 8,670,528

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665,440 : 8,670,528 = 8,670,528 : x
2. Step 2: Convert to fraction form
   5,665,440/8,670,528 = 8,670,528/x
3. Step 3: Cross multiply
   5,665,440x = 8,670,528 × 8,670,528
4. Step 4: Simplify right side
   5,665,440x = 75,178,055,798,784
5. Step 5: Solve for x
   x = 75,178,055,798,784/5,665,440
6. Step 6: Final answer
   x = 13,269,588.20