Finding the Third Proportional to 3,842,922 and 8,316,972

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842,922 : 8,316,972 = 8,316,972 : x
2. Step 2: Convert to fraction form
   3,842,922/8,316,972 = 8,316,972/x
3. Step 3: Cross multiply
   3,842,922x = 8,316,972 × 8,316,972
4. Step 4: Simplify right side
   3,842,922x = 69,172,023,248,784
5. Step 5: Solve for x
   x = 69,172,023,248,784/3,842,922
6. Step 6: Final answer
   x = 17,999,850.96