Finding the Third Proportional to 19,943,807 and 42,866,946

Step by Step Solution

1. Step 1: Write the proportion equation
   19,943,807 : 42,866,946 = 42,866,946 : x
2. Step 2: Convert to fraction form
   19,943,807/42,866,946 = 42,866,946/x
3. Step 3: Cross multiply
   19,943,807x = 42,866,946 × 42,866,946
4. Step 4: Simplify right side
   19,943,807x = 1,837,575,059,366,916
5. Step 5: Solve for x
   x = 1,837,575,059,366,916/19,943,807
6. Step 6: Final answer
   x = 92,137,627.45