Finding the Third Proportional to 1,681,178 and 3,648,124

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681,178 : 3,648,124 = 3,648,124 : x
2. Step 2: Convert to fraction form
   1,681,178/3,648,124 = 3,648,124/x
3. Step 3: Cross multiply
   1,681,178x = 3,648,124 × 3,648,124
4. Step 4: Simplify right side
   1,681,178x = 13,308,808,719,376
5. Step 5: Solve for x
   x = 13,308,808,719,376/1,681,178
6. Step 6: Final answer
   x = 7,916,359.08