Finding the Third Proportional to 19,301,805 and 42,429,043

Step by Step Solution

1. Step 1: Write the proportion equation
   19,301,805 : 42,429,043 = 42,429,043 : x
2. Step 2: Convert to fraction form
   19,301,805/42,429,043 = 42,429,043/x
3. Step 3: Cross multiply
   19,301,805x = 42,429,043 × 42,429,043
4. Step 4: Simplify right side
   19,301,805x = 1,800,223,689,895,849
5. Step 5: Solve for x
   x = 1,800,223,689,895,849/19,301,805
6. Step 6: Final answer
   x = 93,267,116.20