Finding the Third Proportional to 56,340,603 and 123,482,070

Step by Step Solution

1. Step 1: Write the proportion equation
   56,340,603 : 123,482,070 = 123,482,070 : x
2. Step 2: Convert to fraction form
   56,340,603/123,482,070 = 123,482,070/x
3. Step 3: Cross multiply
   56,340,603x = 123,482,070 × 123,482,070
4. Step 4: Simplify right side
   56,340,603x = 15,247,821,611,484,900
5. Step 5: Solve for x
   x = 15,247,821,611,484,900/56,340,603
6. Step 6: Final answer
   x = 270,636,464.64