Finding the Third Proportional to 692,642,367 and 1,039,875,448.50

Step by Step Solution

1. Step 1: Write the proportion equation
   692,642,367 : 1,039,875,448.50 = 1,039,875,448.50 : x
2. Step 2: Convert to fraction form
   692,642,367/1,039,875,448.50 = 1,039,875,448.50/x
3. Step 3: Cross multiply
   692,642,367x = 1,039,875,448.50 × 1,039,875,448.50
4. Step 4: Simplify right side
   692,642,367x = 1,081,340,948,393,076,096
5. Step 5: Solve for x
   x = 1,081,340,948,393,076,096/692,642,367
6. Step 6: Final answer
   x = 1,561,182,220.31