Finding the Third Proportional to 1,931,406 and 4,157,340

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,406 : 4,157,340 = 4,157,340 : x
2. Step 2: Convert to fraction form
   1,931,406/4,157,340 = 4,157,340/x
3. Step 3: Cross multiply
   1,931,406x = 4,157,340 × 4,157,340
4. Step 4: Simplify right side
   1,931,406x = 17,283,475,875,600
5. Step 5: Solve for x
   x = 17,283,475,875,600/1,931,406
6. Step 6: Final answer
   x = 8,948,649.78