Finding the Third Proportional to 31,563,158 and 67,920,208

Step by Step Solution

1. Step 1: Write the proportion equation
   31,563,158 : 67,920,208 = 67,920,208 : x
2. Step 2: Convert to fraction form
   31,563,158/67,920,208 = 67,920,208/x
3. Step 3: Cross multiply
   31,563,158x = 67,920,208 × 67,920,208
4. Step 4: Simplify right side
   31,563,158x = 4,613,154,654,763,264
5. Step 5: Solve for x
   x = 4,613,154,654,763,264/31,563,158
6. Step 6: Final answer
   x = 146,156,308.40