Finding the Third Proportional to 31,323,710.25 and 67,445,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,323,710.25 : 67,445,959.50 = 67,445,959.50 : x
2. Step 2: Convert to fraction form
   31,323,710.25/67,445,959.50 = 67,445,959.50/x
3. Step 3: Cross multiply
   31,323,710.25x = 67,445,959.50 × 67,445,959.50
4. Step 4: Simplify right side
   31,323,710.25x = 4,548,957,452,875,640
5. Step 5: Solve for x
   x = 4,548,957,452,875,640/31,323,710.25
6. Step 6: Final answer
   x = 145,224,094.35