Finding the Third Proportional to 146,139,726 and 318,005,931

Step by Step Solution

1. Step 1: Write the proportion equation
   146,139,726 : 318,005,931 = 318,005,931 : x
2. Step 2: Convert to fraction form
   146,139,726/318,005,931 = 318,005,931/x
3. Step 3: Cross multiply
   146,139,726x = 318,005,931 × 318,005,931
4. Step 4: Simplify right side
   146,139,726x = 101,127,772,151,176,768
5. Step 5: Solve for x
   x = 101,127,772,151,176,768/146,139,726
6. Step 6: Final answer
   x = 691,993,716.69