Finding the Third Proportional to 123,506,068 and 262,985,768

Step by Step Solution

1. Step 1: Write the proportion equation
   123,506,068 : 262,985,768 = 262,985,768 : x
2. Step 2: Convert to fraction form
   123,506,068/262,985,768 = 262,985,768/x
3. Step 3: Cross multiply
   123,506,068x = 262,985,768 × 262,985,768
4. Step 4: Simplify right side
   123,506,068x = 69,161,514,170,549,824
5. Step 5: Solve for x
   x = 69,161,514,170,549,824/123,506,068
6. Step 6: Final answer
   x = 559,984,746.42