Finding the Third Proportional to 19,681,521 and 42,944,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,681,521 : 42,944,710.50 = 42,944,710.50 : x
2. Step 2: Convert to fraction form
   19,681,521/42,944,710.50 = 42,944,710.50/x
3. Step 3: Cross multiply
   19,681,521x = 42,944,710.50 × 42,944,710.50
4. Step 4: Simplify right side
   19,681,521x = 1,844,248,159,928,810.25
5. Step 5: Solve for x
   x = 1,844,248,159,928,810.25/19,681,521
6. Step 6: Final answer
   x = 93,704,554.64