Finding the Third Proportional to 31,260,173 and 67,574,746

Step by Step Solution

1. Step 1: Write the proportion equation
   31,260,173 : 67,574,746 = 67,574,746 : x
2. Step 2: Convert to fraction form
   31,260,173/67,574,746 = 67,574,746/x
3. Step 3: Cross multiply
   31,260,173x = 67,574,746 × 67,574,746
4. Step 4: Simplify right side
   31,260,173x = 4,566,346,296,964,516
5. Step 5: Solve for x
   x = 4,566,346,296,964,516/31,260,173
6. Step 6: Final answer
   x = 146,075,528.66