Finding the Third Proportional to 55,465,358 and 123,676,564

Step by Step Solution

1. Step 1: Write the proportion equation
   55,465,358 : 123,676,564 = 123,676,564 : x
2. Step 2: Convert to fraction form
   55,465,358/123,676,564 = 123,676,564/x
3. Step 3: Cross multiply
   55,465,358x = 123,676,564 × 123,676,564
4. Step 4: Simplify right side
   55,465,358x = 15,295,892,482,846,096
5. Step 5: Solve for x
   x = 15,295,892,482,846,096/55,465,358
6. Step 6: Final answer
   x = 275,773,798.90