Finding the Third Proportional to 19,928,080 and 42,912,528

Step by Step Solution

1. Step 1: Write the proportion equation
   19,928,080 : 42,912,528 = 42,912,528 : x
2. Step 2: Convert to fraction form
   19,928,080/42,912,528 = 42,912,528/x
3. Step 3: Cross multiply
   19,928,080x = 42,912,528 × 42,912,528
4. Step 4: Simplify right side
   19,928,080x = 1,841,485,059,350,784
5. Step 5: Solve for x
   x = 1,841,485,059,350,784/19,928,080
6. Step 6: Final answer
   x = 92,406,546.91