Finding the Third Proportional to 64,630,818 and 141,423,300

Step by Step Solution

1. Step 1: Write the proportion equation
   64,630,818 : 141,423,300 = 141,423,300 : x
2. Step 2: Convert to fraction form
   64,630,818/141,423,300 = 141,423,300/x
3. Step 3: Cross multiply
   64,630,818x = 141,423,300 × 141,423,300
4. Step 4: Simplify right side
   64,630,818x = 20,000,549,782,890,000
5. Step 5: Solve for x
   x = 20,000,549,782,890,000/64,630,818
6. Step 6: Final answer
   x = 309,458,403.93