Finding the Third Proportional to 3,392,478 and 7,316,382

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392,478 : 7,316,382 = 7,316,382 : x
2. Step 2: Convert to fraction form
   3,392,478/7,316,382 = 7,316,382/x
3. Step 3: Cross multiply
   3,392,478x = 7,316,382 × 7,316,382
4. Step 4: Simplify right side
   3,392,478x = 53,529,445,569,924
5. Step 5: Solve for x
   x = 53,529,445,569,924/3,392,478
6. Step 6: Final answer
   x = 15,778,862.99