Finding the Third Proportional to 19,461,911 and 42,808,770

Step by Step Solution

1. Step 1: Write the proportion equation
   19,461,911 : 42,808,770 = 42,808,770 : x
2. Step 2: Convert to fraction form
   19,461,911/42,808,770 = 42,808,770/x
3. Step 3: Cross multiply
   19,461,911x = 42,808,770 × 42,808,770
4. Step 4: Simplify right side
   19,461,911x = 1,832,590,788,912,900
5. Step 5: Solve for x
   x = 1,832,590,788,912,900/19,461,911
6. Step 6: Final answer
   x = 94,162,941.60