Finding the Third Proportional to 19,932,208 and 30,781,640

Step by Step Solution

1. Step 1: Write the proportion equation
   19,932,208 : 30,781,640 = 30,781,640 : x
2. Step 2: Convert to fraction form
   19,932,208/30,781,640 = 30,781,640/x
3. Step 3: Cross multiply
   19,932,208x = 30,781,640 × 30,781,640
4. Step 4: Simplify right side
   19,932,208x = 947,509,361,089,600
5. Step 5: Solve for x
   x = 947,509,361,089,600/19,932,208
6. Step 6: Final answer
   x = 47,536,598.11