Finding the Third Proportional to 19,973,542.50 and 42,980,726

Step by Step Solution

1. Step 1: Write the proportion equation
   19,973,542.50 : 42,980,726 = 42,980,726 : x
2. Step 2: Convert to fraction form
   19,973,542.50/42,980,726 = 42,980,726/x
3. Step 3: Cross multiply
   19,973,542.50x = 42,980,726 × 42,980,726
4. Step 4: Simplify right side
   19,973,542.50x = 1,847,342,807,487,076
5. Step 5: Solve for x
   x = 1,847,342,807,487,076/19,973,542.50
6. Step 6: Final answer
   x = 92,489,492.41