Finding the Third Proportional to 4,312,207 and 9,499,382

Step by Step Solution

1. Step 1: Write the proportion equation
   4,312,207 : 9,499,382 = 9,499,382 : x
2. Step 2: Convert to fraction form
   4,312,207/9,499,382 = 9,499,382/x
3. Step 3: Cross multiply
   4,312,207x = 9,499,382 × 9,499,382
4. Step 4: Simplify right side
   4,312,207x = 90,238,258,381,924
5. Step 5: Solve for x
   x = 90,238,258,381,924/4,312,207
6. Step 6: Final answer
   x = 20,926,235.31