Finding the Third Proportional to 16,381,536 and 35,547,680

Step by Step Solution

1. Step 1: Write the proportion equation
   16,381,536 : 35,547,680 = 35,547,680 : x
2. Step 2: Convert to fraction form
   16,381,536/35,547,680 = 35,547,680/x
3. Step 3: Cross multiply
   16,381,536x = 35,547,680 × 35,547,680
4. Step 4: Simplify right side
   16,381,536x = 1,263,637,553,382,400
5. Step 5: Solve for x
   x = 1,263,637,553,382,400/16,381,536
6. Step 6: Final answer
   x = 77,137,916.33