Finding the Third Proportional to 1,627,356 and 3,478,905

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627,356 : 3,478,905 = 3,478,905 : x
2. Step 2: Convert to fraction form
   1,627,356/3,478,905 = 3,478,905/x
3. Step 3: Cross multiply
   1,627,356x = 3,478,905 × 3,478,905
4. Step 4: Simplify right side
   1,627,356x = 12,102,779,999,025
5. Step 5: Solve for x
   x = 12,102,779,999,025/1,627,356
6. Step 6: Final answer
   x = 7,437,081.99