Finding the Third Proportional to 31,528,641 and 67,919,226

Step by Step Solution

1. Step 1: Write the proportion equation
   31,528,641 : 67,919,226 = 67,919,226 : x
2. Step 2: Convert to fraction form
   31,528,641/67,919,226 = 67,919,226/x
3. Step 3: Cross multiply
   31,528,641x = 67,919,226 × 67,919,226
4. Step 4: Simplify right side
   31,528,641x = 4,613,021,260,439,076
5. Step 5: Solve for x
   x = 4,613,021,260,439,076/31,528,641
6. Step 6: Final answer
   x = 146,312,086.86