Finding the Third Proportional to 17,881,887 and 38,622,111

Step by Step Solution

1. Step 1: Write the proportion equation
   17,881,887 : 38,622,111 = 38,622,111 : x
2. Step 2: Convert to fraction form
   17,881,887/38,622,111 = 38,622,111/x
3. Step 3: Cross multiply
   17,881,887x = 38,622,111 × 38,622,111
4. Step 4: Simplify right side
   17,881,887x = 1,491,667,458,096,321
5. Step 5: Solve for x
   x = 1,491,667,458,096,321/17,881,887
6. Step 6: Final answer
   x = 83,417,787.96