Finding the Third Proportional to 64,630,848 and 141,423,360

Step by Step Solution

1. Step 1: Write the proportion equation
   64,630,848 : 141,423,360 = 141,423,360 : x
2. Step 2: Convert to fraction form
   64,630,848/141,423,360 = 141,423,360/x
3. Step 3: Cross multiply
   64,630,848x = 141,423,360 × 141,423,360
4. Step 4: Simplify right side
   64,630,848x = 20,000,566,753,689,600
5. Step 5: Solve for x
   x = 20,000,566,753,689,600/64,630,848
6. Step 6: Final answer
   x = 309,458,522.87