Finding the Third Proportional to 31,638,004 and 68,045,288

Step by Step Solution

1. Step 1: Write the proportion equation
   31,638,004 : 68,045,288 = 68,045,288 : x
2. Step 2: Convert to fraction form
   31,638,004/68,045,288 = 68,045,288/x
3. Step 3: Cross multiply
   31,638,004x = 68,045,288 × 68,045,288
4. Step 4: Simplify right side
   31,638,004x = 4,630,161,219,002,944
5. Step 5: Solve for x
   x = 4,630,161,219,002,944/31,638,004
6. Step 6: Final answer
   x = 146,348,082.48