Finding the Third Proportional to 4,285,602 and 9,152,421

Step by Step Solution

1. Step 1: Write the proportion equation
   4,285,602 : 9,152,421 = 9,152,421 : x
2. Step 2: Convert to fraction form
   4,285,602/9,152,421 = 9,152,421/x
3. Step 3: Cross multiply
   4,285,602x = 9,152,421 × 9,152,421
4. Step 4: Simplify right side
   4,285,602x = 83,766,810,161,241
5. Step 5: Solve for x
   x = 83,766,810,161,241/4,285,602
6. Step 6: Final answer
   x = 19,546,101.15