Finding the Third Proportional to 1,665,478 and 3,583,550

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,478 : 3,583,550 = 3,583,550 : x
2. Step 2: Convert to fraction form
   1,665,478/3,583,550 = 3,583,550/x
3. Step 3: Cross multiply
   1,665,478x = 3,583,550 × 3,583,550
4. Step 4: Simplify right side
   1,665,478x = 12,841,830,602,500
5. Step 5: Solve for x
   x = 12,841,830,602,500/1,665,478
6. Step 6: Final answer
   x = 7,710,597.56