Finding the Third Proportional to 4,312,203 and 9,499,374

Step by Step Solution

1. Step 1: Write the proportion equation
   4,312,203 : 9,499,374 = 9,499,374 : x
2. Step 2: Convert to fraction form
   4,312,203/9,499,374 = 9,499,374/x
3. Step 3: Cross multiply
   4,312,203x = 9,499,374 × 9,499,374
4. Step 4: Simplify right side
   4,312,203x = 90,238,106,391,876
5. Step 5: Solve for x
   x = 90,238,106,391,876/4,312,203
6. Step 6: Final answer
   x = 20,926,219.47