Finding the Third Proportional to 17,697,339,810 and 37,918,963,470

Step by Step Solution

1. Step 1: Write the proportion equation
   17,697,339,810 : 37,918,963,470 = 37,918,963,470 : x
2. Step 2: Convert to fraction form
   17,697,339,810/37,918,963,470 = 37,918,963,470/x
3. Step 3: Cross multiply
   17,697,339,810x = 37,918,963,470 × 37,918,963,470
4. Step 4: Simplify right side
   17,697,339,810x = 1,437,847,790,639,194,570,752
5. Step 5: Solve for x
   x = 1,437,847,790,639,194,570,752/17,697,339,810
6. Step 6: Final answer
   x = 81,246,549,259.72