Finding the Third Proportional to 19,666,090,470 and 43,254,813,390

Step by Step Solution

1. Step 1: Write the proportion equation
   19,666,090,470 : 43,254,813,390 = 43,254,813,390 : x
2. Step 2: Convert to fraction form
   19,666,090,470/43,254,813,390 = 43,254,813,390/x
3. Step 3: Cross multiply
   19,666,090,470x = 43,254,813,390 × 43,254,813,390
4. Step 4: Simplify right side
   19,666,090,470x = 1,870,978,881,403,723,186,176
5. Step 5: Solve for x
   x = 1,870,978,881,403,723,186,176/19,666,090,470
6. Step 6: Final answer
   x = 95,137,306,739.12