Finding the Third Proportional to 1,898,612,919 and 4,088,836,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898,612,919 : 4,088,836,111.50 = 4,088,836,111.50 : x
2. Step 2: Convert to fraction form
   1,898,612,919/4,088,836,111.50 = 4,088,836,111.50/x
3. Step 3: Cross multiply
   1,898,612,919x = 4,088,836,111.50 × 4,088,836,111.50
4. Step 4: Simplify right side
   1,898,612,919x = 16,718,580,746,706,440,192
5. Step 5: Solve for x
   x = 16,718,580,746,706,440,192/1,898,612,919
6. Step 6: Final answer
   x = 8,805,681,547.51