Finding the Third Proportional to 11,898,920 and 17,875,516

Step by Step Solution

1. Step 1: Write the proportion equation
   11,898,920 : 17,875,516 = 17,875,516 : x
2. Step 2: Convert to fraction form
   11,898,920/17,875,516 = 17,875,516/x
3. Step 3: Cross multiply
   11,898,920x = 17,875,516 × 17,875,516
4. Step 4: Simplify right side
   11,898,920x = 319,534,072,266,256
5. Step 5: Solve for x
   x = 319,534,072,266,256/11,898,920
6. Step 6: Final answer
   x = 26,854,039.88