Finding the Third Proportional to 42,561,382 and 66,037,768

Step by Step Solution

1. Step 1: Write the proportion equation
   42,561,382 : 66,037,768 = 66,037,768 : x
2. Step 2: Convert to fraction form
   42,561,382/66,037,768 = 66,037,768/x
3. Step 3: Cross multiply
   42,561,382x = 66,037,768 × 66,037,768
4. Step 4: Simplify right side
   42,561,382x = 4,360,986,802,421,824
5. Step 5: Solve for x
   x = 4,360,986,802,421,824/42,561,382
6. Step 6: Final answer
   x = 102,463,468.00