Finding the Third Proportional to 2,118,865,141.50 and 4,949,049,925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,865,141.50 : 4,949,049,925.50 = 4,949,049,925.50 : x
2. Step 2: Convert to fraction form
   2,118,865,141.50/4,949,049,925.50 = 4,949,049,925.50/x
3. Step 3: Cross multiply
   2,118,865,141.50x = 4,949,049,925.50 × 4,949,049,925.50
4. Step 4: Simplify right side
   2,118,865,141.50x = 24,493,095,165,091,557,376
5. Step 5: Solve for x
   x = 24,493,095,165,091,557,376/2,118,865,141.50
6. Step 6: Final answer
   x = 11,559,534,717.60