Finding the Third Proportional to 5,406,264 and 7,558,272

Step by Step Solution

1. Step 1: Write the proportion equation
   5,406,264 : 7,558,272 = 7,558,272 : x
2. Step 2: Convert to fraction form
   5,406,264/7,558,272 = 7,558,272/x
3. Step 3: Cross multiply
   5,406,264x = 7,558,272 × 7,558,272
4. Step 4: Simplify right side
   5,406,264x = 57,127,475,625,984
5. Step 5: Solve for x
   x = 57,127,475,625,984/5,406,264
6. Step 6: Final answer
   x = 10,566,904.54