Finding the Third Proportional to 19,416,681 and 42,221,970

Step by Step Solution

1. Step 1: Write the proportion equation
   19,416,681 : 42,221,970 = 42,221,970 : x
2. Step 2: Convert to fraction form
   19,416,681/42,221,970 = 42,221,970/x
3. Step 3: Cross multiply
   19,416,681x = 42,221,970 × 42,221,970
4. Step 4: Simplify right side
   19,416,681x = 1,782,694,750,680,900
5. Step 5: Solve for x
   x = 1,782,694,750,680,900/19,416,681
6. Step 6: Final answer
   x = 91,812,537.41