Finding the Third Proportional to 3,547,503 and 7,781,715

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547,503 : 7,781,715 = 7,781,715 : x
2. Step 2: Convert to fraction form
   3,547,503/7,781,715 = 7,781,715/x
3. Step 3: Cross multiply
   3,547,503x = 7,781,715 × 7,781,715
4. Step 4: Simplify right side
   3,547,503x = 60,555,088,341,225
5. Step 5: Solve for x
   x = 60,555,088,341,225/3,547,503
6. Step 6: Final answer
   x = 17,069,777.91