Finding the Third Proportional to 5,475,827 and 8,512,417

Step by Step Solution

1. Step 1: Write the proportion equation
   5,475,827 : 8,512,417 = 8,512,417 : x
2. Step 2: Convert to fraction form
   5,475,827/8,512,417 = 8,512,417/x
3. Step 3: Cross multiply
   5,475,827x = 8,512,417 × 8,512,417
4. Step 4: Simplify right side
   5,475,827x = 72,461,243,181,889
5. Step 5: Solve for x
   x = 72,461,243,181,889/5,475,827
6. Step 6: Final answer
   x = 13,232,931.42