Finding the Third Proportional to 31,056,409.50 and 67,288,584

Step by Step Solution

1. Step 1: Write the proportion equation
   31,056,409.50 : 67,288,584 = 67,288,584 : x
2. Step 2: Convert to fraction form
   31,056,409.50/67,288,584 = 67,288,584/x
3. Step 3: Cross multiply
   31,056,409.50x = 67,288,584 × 67,288,584
4. Step 4: Simplify right side
   31,056,409.50x = 4,527,753,536,725,056
5. Step 5: Solve for x
   x = 4,527,753,536,725,056/31,056,409.50
6. Step 6: Final answer
   x = 145,791,274.96