Finding the Third Proportional to 17,996,840 and 38,724,832

Step by Step Solution

1. Step 1: Write the proportion equation
   17,996,840 : 38,724,832 = 38,724,832 : x
2. Step 2: Convert to fraction form
   17,996,840/38,724,832 = 38,724,832/x
3. Step 3: Cross multiply
   17,996,840x = 38,724,832 × 38,724,832
4. Step 4: Simplify right side
   17,996,840x = 1,499,612,613,428,224
5. Step 5: Solve for x
   x = 1,499,612,613,428,224/17,996,840
6. Step 6: Final answer
   x = 83,326,440.28