Finding the Third Proportional to 31,513,339 and 68,548,123

Step by Step Solution

1. Step 1: Write the proportion equation
   31,513,339 : 68,548,123 = 68,548,123 : x
2. Step 2: Convert to fraction form
   31,513,339/68,548,123 = 68,548,123/x
3. Step 3: Cross multiply
   31,513,339x = 68,548,123 × 68,548,123
4. Step 4: Simplify right side
   31,513,339x = 4,698,845,166,823,129
5. Step 5: Solve for x
   x = 4,698,845,166,823,129/31,513,339
6. Step 6: Final answer
   x = 149,106,547.13