Finding the Third Proportional to 9,219,736,294.50 and 19,837,815,846

Step by Step Solution

1. Step 1: Write the proportion equation
   9,219,736,294.50 : 19,837,815,846 = 19,837,815,846 : x
2. Step 2: Convert to fraction form
   9,219,736,294.50/19,837,815,846 = 19,837,815,846/x
3. Step 3: Cross multiply
   9,219,736,294.50x = 19,837,815,846 × 19,837,815,846
4. Step 4: Simplify right side
   9,219,736,294.50x = 393,538,937,539,808,722,944
5. Step 5: Solve for x
   x = 393,538,937,539,808,722,944/9,219,736,294.50
6. Step 6: Final answer
   x = 42,684,402,782.17