Finding the Third Proportional to 920,104,645.50 and 1,980,509,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   920,104,645.50 : 1,980,509,710.50 = 1,980,509,710.50 : x
2. Step 2: Convert to fraction form
   920,104,645.50/1,980,509,710.50 = 1,980,509,710.50/x
3. Step 3: Cross multiply
   920,104,645.50x = 1,980,509,710.50 × 1,980,509,710.50
4. Step 4: Simplify right side
   920,104,645.50x = 3,922,418,713,384,793,600
5. Step 5: Solve for x
   x = 3,922,418,713,384,793,600/920,104,645.50
6. Step 6: Final answer
   x = 4,263,013,704.55