Finding the Third Proportional to 19,903,336 and 42,573,928

Step by Step Solution

1. Step 1: Write the proportion equation
   19,903,336 : 42,573,928 = 42,573,928 : x
2. Step 2: Convert to fraction form
   19,903,336/42,573,928 = 42,573,928/x
3. Step 3: Cross multiply
   19,903,336x = 42,573,928 × 42,573,928
4. Step 4: Simplify right side
   19,903,336x = 1,812,539,345,349,184
5. Step 5: Solve for x
   x = 1,812,539,345,349,184/19,903,336
6. Step 6: Final answer
   x = 91,067,112.84