Finding the Third Proportional to 20,716,320,506 and 30,287,985,122.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,716,320,506 : 30,287,985,122.50 = 30,287,985,122.50 : x
2. Step 2: Convert to fraction form
   20,716,320,506/30,287,985,122.50 = 30,287,985,122.50/x
3. Step 3: Cross multiply
   20,716,320,506x = 30,287,985,122.50 × 30,287,985,122.50
4. Step 4: Simplify right side
   20,716,320,506x = 917,362,042,780,781,379,584
5. Step 5: Solve for x
   x = 917,362,042,780,781,379,584/20,716,320,506
6. Step 6: Final answer
   x = 44,282,093,555.90